26161015 has 8 divisors (see below), whose sum is σ = 31835808. Its totient is φ = 20633760.

The previous prime is 26160991. The next prime is 26161027. The reversal of 26161015 is 51016162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26161015 - 2⁹ = 26160503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36492 + ... + 37201.

It is an arithmetic number, because the mean of its divisors is an integer number (3979476).

Almost surely, 2^26161015 is an apocalyptic number.

26161015 is a deficient number, since it is larger than the sum of its proper divisors (5674793).

26161015 is an equidigital number, since it uses as much as digits as its factorization.

26161015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73769.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 26161015 is about 5114.7839641572. The cubic root of 26161015 is about 296.8598952980.

Adding to 26161015 its reverse (51016162), we get a palindrome (77177177).

The spelling of 26161015 in words is "twenty-six million, one hundred sixty-one thousand, fifteen".