2656361206625 has 64 divisors (see below), whose sum is σ = 3892101717504. Its totient is φ = 1771831584000.

The previous prime is 2656361206619. The next prime is 2656361206703. The reversal of 2656361206625 is 5266021636562.

It is not a de Polignac number, because 2656361206625 - 2¹⁶ = 2656361141089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 176015330 + ... + 176030420.

It is an arithmetic number, because the mean of its divisors is an integer number (60814089336).

Almost surely, 2^{2656361206625} is an apocalyptic number.

2656361206625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2656361206625 is a deficient number, since it is larger than the sum of its proper divisors (1235740510879).

2656361206625 is a wasteful number, since it uses less digits than its factorization.

2656361206625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20587 (or 20577 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 50.

The spelling of 2656361206625 in words is "two trillion, six hundred fifty-six billion, three hundred sixty-one million, two hundred six thousand, six hundred twenty-five".