3656006256620 has 24 divisors (see below), whose sum is σ = 7677649058688. Its totient is φ = 1462395660800.

The previous prime is 3656006256611. The next prime is 3656006256629. The reversal of 3656006256620 is 266526006563.

It is an interprime number because it is at equal distance from previous prime (3656006256611) and next prime (3656006256629).

It is not an unprimeable number, because it can be changed into a prime (3656006256629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8186300 + ... + 8621340.

It is an arithmetic number, because the mean of its divisors is an integer number (319902044112).

Almost surely, 2^{3656006256620} is an apocalyptic number.

It is an amenable number.

3656006256620 is an abundant number, since it is smaller than the sum of its proper divisors (4021642802068).

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

3656006256620 is a wasteful number, since it uses less digits than its factorization.

3656006256620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855241 (or 855239 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 47.

The spelling of 3656006256620 in words is "three trillion, six hundred fifty-six billion, six million, two hundred fifty-six thousand, six hundred twenty".