166934940 has 48 divisors (see below), whose sum is σ = 473833248. Its totient is φ = 43905024.

The previous prime is 166934909. The next prime is 166934953. The reversal of 166934940 is 49439661.

It is a junction number, because it is equal to n+sod(n) for n = 166934892 and 166934901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14677 + ... + 23436.

It is an arithmetic number, because the mean of its divisors is an integer number (9871526).

Almost surely, 2^166934940 is an apocalyptic number.

166934940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166934940 is an abundant number, since it is smaller than the sum of its proper divisors (306898308).

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

166934940 is a wasteful number, since it uses less digits than its factorization.

166934940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38198 (or 38196 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 166934940 is about 12920.3304911291. The cubic root of 166934940 is about 550.6163228727.

The spelling of 166934940 in words is "one hundred sixty-six million, nine hundred thirty-four thousand, nine hundred forty".