255136060664 has 16 divisors (see below), whose sum is σ = 478443147720. Its totient is φ = 127551221280.

The previous prime is 255136060633. The next prime is 255136060691. The reversal of 255136060664 is 466060631552.

It is a super-2 number, since 2×255136060664² (a number of 24 digits) contains 22 as substring.

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, 2036507 + ... + 2158154.

Almost surely, 2^255136060664 is an apocalyptic number.

It is an amenable number.

255136060664 is a deficient number, since it is larger than the sum of its proper divisors (223307087056).

255136060664 is a wasteful number, since it uses less digits than its factorization.

255136060664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4202270 (or 4202266 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 255136060664 in words is "two hundred fifty-five billion, one hundred thirty-six million, sixty thousand, six hundred sixty-four".