26161504 has 24 divisors (see below), whose sum is σ = 54536328. Its totient is φ = 12311040.

The previous prime is 26161483. The next prime is 26161519. The reversal of 26161504 is 40516162.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23502 + ... + 24589.

It is an arithmetic number, because the mean of its divisors is an integer number (2272347).

Almost surely, 2^26161504 is an apocalyptic number.

It is an amenable number.

26161504 is an abundant number, since it is smaller than the sum of its proper divisors (28374824).

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

26161504 is a wasteful number, since it uses less digits than its factorization.

26161504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48118 (or 48110 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 26161504 is about 5114.8317665393. The cubic root of 26161504 is about 296.8617449151.

Adding to 26161504 its reverse (40516162), we get a palindrome (66677666).

The spelling of 26161504 in words is "twenty-six million, one hundred sixty-one thousand, five hundred four".