655556661436146 has 32 divisors (see below), whose sum is σ = 1368421805334528. Its totient is φ = 208971689448720.

The previous prime is 655556661436067. The next prime is 655556661436151. The reversal of 655556661436146 is 641634166655556.

It is a Harshad number since it is a multiple of its sum of digits (69).

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, 526381650 + ... + 527625581.

It is an arithmetic number, because the mean of its divisors is an integer number (42763181416704).

Almost surely, 2^{655556661436146} is an apocalyptic number.

655556661436146 is an abundant number, since it is smaller than the sum of its proper divisors (712865143898382).

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

655556661436146 is a wasteful number, since it uses less digits than its factorization.

655556661436146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054011766.

The product of its digits is 1399680000, while the sum is 69.

The spelling of 655556661436146 in words is "six hundred fifty-five trillion, five hundred fifty-six billion, six hundred sixty-one million, four hundred thirty-six thousand, one hundred forty-six".