655557407356 has 12 divisors (see below), whose sum is σ = 1197104830992. Its totient is φ = 313527455648.

The previous prime is 655557407261. The next prime is 655557407357. The reversal of 655557407356 is 653704755556.

It is a happy number.

It is a super-3 number, since 3×655557407356³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 655557407356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655557407357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3562811905 + ... + 3562812088.

It is an arithmetic number, because the mean of its divisors is an integer number (99758735916).

Almost surely, 2^655557407356 is an apocalyptic number.

It is an amenable number.

655557407356 is a deficient number, since it is larger than the sum of its proper divisors (541547423636).

655557407356 is a wasteful number, since it uses less digits than its factorization.

655557407356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7125624020 (or 7125624018 counting only the distinct ones).

The product of its (nonzero) digits is 66150000, while the sum is 58.

The spelling of 655557407356 in words is "six hundred fifty-five billion, five hundred fifty-seven million, four hundred seven thousand, three hundred fifty-six".