655878493552 has 20 divisors (see below), whose sum is σ = 1345515439536. Its totient is φ = 308648702720.

The previous prime is 655878493499. The next prime is 655878493657. The reversal of 655878493552 is 255394878556.

655878493552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205658724 + ... + 1205659267.

Almost surely, 2^655878493552 is an apocalyptic number.

It is an amenable number.

655878493552 is an abundant number, since it is smaller than the sum of its proper divisors (689636945984).

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

655878493552 is a wasteful number, since it uses less digits than its factorization.

655878493552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411318016 (or 2411318010 counting only the distinct ones).

The product of its digits is 362880000, while the sum is 67.

The spelling of 655878493552 in words is "six hundred fifty-five billion, eight hundred seventy-eight million, four hundred ninety-three thousand, five hundred fifty-two".