655473515604 has 12 divisors (see below), whose sum is σ = 1529438203104. Its totient is φ = 218491171864.

The previous prime is 655473515507. The next prime is 655473515639. The reversal of 655473515604 is 406515374556.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 27311396472 + ... + 27311396495.

It is an arithmetic number, because the mean of its divisors is an integer number (127453183592).

Almost surely, 2^655473515604 is an apocalyptic number.

It is an amenable number.

655473515604 is an abundant number, since it is smaller than the sum of its proper divisors (873964687500).

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

655473515604 is a wasteful number, since it uses less digits than its factorization.

655473515604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54622792974 (or 54622792972 counting only the distinct ones).

The product of its (nonzero) digits is 7560000, while the sum is 51.

The spelling of 655473515604 in words is "six hundred fifty-five billion, four hundred seventy-three million, five hundred fifteen thousand, six hundred four".