26161245260 has 36 divisors (see below), whose sum is σ = 58360410192. Its totient is φ = 9848937216.

The previous prime is 26161245259. The next prime is 26161245287. The reversal of 26161245260 is 6254216162.

It is a self number, because there is not a number n which added to its sum of digits gives 26161245260.

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 11 ways as a sum of consecutive naturals, for example, 2257304 + ... + 2268863.

Almost surely, 2^26161245260 is an apocalyptic number.

26161245260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26161245260 is an abundant number, since it is smaller than the sum of its proper divisors (32199164932).

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

26161245260 is a wasteful number, since it uses less digits than its factorization.

26161245260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4526210 (or 4526191 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 26161245260 in words is "twenty-six billion, one hundred sixty-one million, two hundred forty-five thousand, two hundred sixty".