166134031446 has 16 divisors (see below), whose sum is σ = 341248281264. Its totient is φ = 53881307424.

The previous prime is 166134031379. The next prime is 166134031477. The reversal of 166134031446 is 644130431661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374175525 + ... + 374175968.

It is an arithmetic number, because the mean of its divisors is an integer number (21328017579).

Almost surely, 2^166134031446 is an apocalyptic number.

166134031446 is an abundant number, since it is smaller than the sum of its proper divisors (175114249818).

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

166134031446 is a wasteful number, since it uses less digits than its factorization.

166134031446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748351535.

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 166134031446 in words is "one hundred sixty-six billion, one hundred thirty-four million, thirty-one thousand, four hundred forty-six".