655647130690848 has 96 divisors (see below), whose sum is σ = 1922316195179520. Its totient is φ = 217404807678720.

The previous prime is 655647130690831. The next prime is 655647130690859. The reversal of 655647130690848 is 848096031746556.

655647130690848 is a `hidden beast` number, since 6 + 5 + 56 + 471 + 3 + 0 + 69 + 0 + 8 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1986355515 + ... + 1986685562.

It is an arithmetic number, because the mean of its divisors is an integer number (20024127033120).

Almost surely, 2^{655647130690848} is an apocalyptic number.

It is an amenable number.

655647130690848 is an abundant number, since it is smaller than the sum of its proper divisors (1266669064488672).

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

655647130690848 is a wasteful number, since it uses less digits than its factorization.

655647130690848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3973041287 (or 3973041273 counting only the distinct ones).

The product of its (nonzero) digits is 1045094400, while the sum is 72.

The spelling of 655647130690848 in words is "six hundred fifty-five trillion, six hundred forty-seven billion, one hundred thirty million, six hundred ninety thousand, eight hundred forty-eight".