655620360104 has 128 divisors (see below), whose sum is σ = 1331025696000. Its totient is φ = 301945780224.

The previous prime is 655620359981. The next prime is 655620360119. The reversal of 655620360104 is 401063026556.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 283940102 + ... + 283942410.

It is an arithmetic number, because the mean of its divisors is an integer number (10398638250).

Almost surely, 2^655620360104 is an apocalyptic number.

It is an amenable number.

655620360104 is an abundant number, since it is smaller than the sum of its proper divisors (675405335896).

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

655620360104 is a wasteful number, since it uses less digits than its factorization.

655620360104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787 (or 2783 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 655620360104 in words is "six hundred fifty-five billion, six hundred twenty million, three hundred sixty thousand, one hundred four".