660156056166 has 8 divisors (see below), whose sum is σ = 1320312112344. Its totient is φ = 220052018720.

The previous prime is 660156056159. The next prime is 660156056257. The reversal of 660156056166 is 661650651066.

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

660156056166 is an admirable number.

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, 55013004675 + ... + 55013004686.

It is an arithmetic number, because the mean of its divisors is an integer number (165039014043).

Almost surely, 2^660156056166 is an apocalyptic number.

660156056166 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.

660156056166 is a wasteful number, since it uses less digits than its factorization.

660156056166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110026009366.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 660156056166 in words is "six hundred sixty billion, one hundred fifty-six million, fifty-six thousand, one hundred sixty-six".