25683032916 has 18 divisors (see below), whose sum is σ = 64920999962. Its totient is φ = 8561010960.

The previous prime is 25683032909. The next prime is 25683032951. The reversal of 25683032916 is 61923038652.

25683032916 is a `hidden beast` number, since 2 + 56 + 8 + 303 + 291 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25606400400 + 76632516 = 160020^2 + 8754^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 356708755 + ... + 356708826.

Almost surely, 2^25683032916 is an apocalyptic number.

It is an amenable number.

25683032916 is an abundant number, since it is smaller than the sum of its proper divisors (39237967046).

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

25683032916 is a wasteful number, since it uses less digits than its factorization.

25683032916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713417591 (or 713417586 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 25683032916 in words is "twenty-five billion, six hundred eighty-three million, thirty-two thousand, nine hundred sixteen".