2256164625636 has 36 divisors (see below), whose sum is σ = 5703333253072. Its totient is φ = 752021848944.

The previous prime is 2256164625601. The next prime is 2256164625667. The reversal of 2256164625636 is 6365264616522.

2256164625636 is a `hidden beast` number, since 2 + 2 + 5 + 6 + 1 + 6 + 4 + 625 + 6 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 537946 + ... + 2191281.

Almost surely, 2^{2256164625636} is an apocalyptic number.

It is an amenable number.

2256164625636 is an abundant number, since it is smaller than the sum of its proper divisors (3447168627436).

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

2256164625636 is a wasteful number, since it uses less digits than its factorization.

2256164625636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752200 (or 2752195 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 54.

The spelling of 2256164625636 in words is "two trillion, two hundred fifty-six billion, one hundred sixty-four million, six hundred twenty-five thousand, six hundred thirty-six".