166994334 has 48 divisors (see below), whose sum is σ = 402240384. Its totient is φ = 49723200.

The previous prime is 166994299. The next prime is 166994371. The reversal of 166994334 is 433499661.

166994334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 166994334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4257 + ... + 18764.

It is an arithmetic number, because the mean of its divisors is an integer number (8380008).

Almost surely, 2^166994334 is an apocalyptic number.

166994334 is an abundant number, since it is smaller than the sum of its proper divisors (235246050).

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

166994334 is a wasteful number, since it uses less digits than its factorization.

166994334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23073 (or 23070 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 166994334 is about 12922.6287573388. The cubic root of 166994334 is about 550.6816166295.

The spelling of 166994334 in words is "one hundred sixty-six million, nine hundred ninety-four thousand, three hundred thirty-four".