166460554434 has 16 divisors (see below), whose sum is σ = 339202639872. Its totient is φ = 54439929648.

The previous prime is 166460554433. The next prime is 166460554471. The reversal of 166460554434 is 434455064661.

It is not an unprimeable number, because it can be changed into a prime (166460554433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261730114 + ... + 261730749.

It is an arithmetic number, because the mean of its divisors is an integer number (21200164992).

Almost surely, 2^166460554434 is an apocalyptic number.

166460554434 is an abundant number, since it is smaller than the sum of its proper divisors (172742085438).

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

166460554434 is a wasteful number, since it uses less digits than its factorization.

166460554434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523460921.

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 166460554434 in words is "one hundred sixty-six billion, four hundred sixty million, five hundred fifty-four thousand, four hundred thirty-four".