166634142 has 16 divisors (see below), whose sum is σ = 350808960. Its totient is φ = 52621272.

The previous prime is 166634141. The next prime is 166634177. The reversal of 166634142 is 241436661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166634141) 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, 730738 + ... + 730965.

It is an arithmetic number, because the mean of its divisors is an integer number (21925560).

Almost surely, 2^166634142 is an apocalyptic number.

166634142 is an abundant number, since it is smaller than the sum of its proper divisors (184174818).

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

166634142 is a wasteful number, since it uses less digits than its factorization.

166634142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461727.

The product of its digits is 20736, while the sum is 33.

The square root of 166634142 is about 12908.6847509729. The cubic root of 166634142 is about 550.2854077925.

The spelling of 166634142 in words is "one hundred sixty-six million, six hundred thirty-four thousand, one hundred forty-two".