166122942 has 32 divisors (see below), whose sum is σ = 335612160. Its totient is φ = 54816960.

The previous prime is 166122941. The next prime is 166122973. The reversal of 166122942 is 249221661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166122941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462559 + ... + 462917.

It is an arithmetic number, because the mean of its divisors is an integer number (10487880).

Almost surely, 2^166122942 is an apocalyptic number.

166122942 is an abundant number, since it is smaller than the sum of its proper divisors (169489218).

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

166122942 is a wasteful number, since it uses less digits than its factorization.

166122942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928.

The product of its digits is 10368, while the sum is 33.

The square root of 166122942 is about 12888.8689185669. The cubic root of 166122942 is about 549.7221097560.

The spelling of 166122942 in words is "one hundred sixty-six million, one hundred twenty-two thousand, nine hundred forty-two".