25656672165036 has 96 divisors (see below), whose sum is σ = 71018440077312. Its totient is φ = 7119643069440.

The previous prime is 25656672164987. The next prime is 25656672165041. The reversal of 25656672165036 is 63056127665652.

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 31 ways as a sum of consecutive naturals, for example, 154423116 + ... + 154589171.

It is an arithmetic number, because the mean of its divisors is an integer number (739775417472).

Almost surely, 2^{25656672165036} is an apocalyptic number.

It is an amenable number.

25656672165036 is an abundant number, since it is smaller than the sum of its proper divisors (45361767912276).

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

25656672165036 is a wasteful number, since it uses less digits than its factorization.

25656672165036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309012359 (or 309012357 counting only the distinct ones).

The product of its (nonzero) digits is 81648000, while the sum is 60.

The spelling of 25656672165036 in words is "twenty-five trillion, six hundred fifty-six billion, six hundred seventy-two million, one hundred sixty-five thousand, thirty-six".