26061516 has 72 divisors (see below), whose sum is σ = 71547840. Its totient is φ = 7951104.

The previous prime is 26061509. The next prime is 26061523. The reversal of 26061516 is 61516062.

It is a happy number.

26061516 is a `hidden beast` number, since 2 + 606 + 1 + 51 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (26061509) and next prime (26061523).

It is a self number, because there is not a number n which added to its sum of digits gives 26061516.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108925 + ... + 109163.

It is an arithmetic number, because the mean of its divisors is an integer number (993720).

Almost surely, 2^26061516 is an apocalyptic number.

26061516 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26061516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35773920).

26061516 is an abundant number, since it is smaller than the sum of its proper divisors (45486324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26061516 is a wasteful number, since it uses less digits than its factorization.

26061516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 26061516 is about 5105.0480898812. The cubic root of 26061516 is about 296.4830650067.

Adding to 26061516 its reverse (61516062), we get a palindrome (87577578).

It can be divided in two parts, 260 and 61516, that added together give a triangular number (61776 = T₃₅₁).

The spelling of 26061516 in words is "twenty-six million, sixty-one thousand, five hundred sixteen".