656551163154 has 8 divisors (see below), whose sum is σ = 1313102326320. Its totient is φ = 218850387716.

The previous prime is 656551163113. The next prime is 656551163159. The reversal of 656551163154 is 451361155656.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

656551163154 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (656551163159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54712596924 + ... + 54712596935.

It is an arithmetic number, because the mean of its divisors is an integer number (164137790790).

Almost surely, 2^656551163154 is an apocalyptic number.

656551163154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

656551163154 is a wasteful number, since it uses less digits than its factorization.

656551163154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109425193864.

The product of its digits is 1620000, while the sum is 48.

The spelling of 656551163154 in words is "six hundred fifty-six billion, five hundred fifty-one million, one hundred sixty-three thousand, one hundred fifty-four".