655912109160 has 320 divisors, whose sum is σ = 2748585121920. Its totient is φ = 136293373440.

The previous prime is 655912109159. The next prime is 655912109189. The reversal of 655912109160 is 61901219556.

It is a happy number.

655912109160 is a `hidden beast` number, since 6 + 559 + 1 + 2 + 1 + 0 + 91 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1065079 + ... + 1564038.

It is an arithmetic number, because the mean of its divisors is an integer number (8589328506).

Almost surely, 2^655912109160 is an apocalyptic number.

655912109160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

655912109160 is an abundant number, since it is smaller than the sum of its proper divisors (2092673012760).

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

655912109160 is a wasteful number, since it uses less digits than its factorization.

655912109160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629158 (or 2629145 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 45.

The spelling of 655912109160 in words is "six hundred fifty-five billion, nine hundred twelve million, one hundred nine thousand, one hundred sixty".