655155525776 has 20 divisors (see below), whose sum is σ = 1272561233532. Its totient is φ = 326752626816.

The previous prime is 655155525749. The next prime is 655155525793. The reversal of 655155525776 is 677525551556.

It can be written as a sum of positive squares in 2 ways, for example, as 391600608400 + 263554917376 = 625780^2 + 513376^2 .

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, 51564455 + ... + 51577158.

Almost surely, 2^655155525776 is an apocalyptic number.

It is an amenable number.

655155525776 is a deficient number, since it is larger than the sum of its proper divisors (617405707756).

655155525776 is a wasteful number, since it uses less digits than its factorization.

655155525776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103142018 (or 103142012 counting only the distinct ones).

The product of its digits is 55125000, while the sum is 59.

The spelling of 655155525776 in words is "six hundred fifty-five billion, one hundred fifty-five million, five hundred twenty-five thousand, seven hundred seventy-six".