166934274 has 64 divisors (see below), whose sum is σ = 368323200. Its totient is φ = 50130432.

The previous prime is 166934267. The next prime is 166934279. The reversal of 166934274 is 472439661.

166934274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (166934279) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 964852 + ... + 965024.

It is an arithmetic number, because the mean of its divisors is an integer number (5755050).

Almost surely, 2^166934274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166934274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184161600).

166934274 is an abundant number, since it is smaller than the sum of its proper divisors (201388926).

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

166934274 is a wasteful number, since it uses less digits than its factorization.

166934274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419.

The product of its digits is 217728, while the sum is 42.

The square root of 166934274 is about 12920.3047177688. The cubic root of 166934274 is about 550.6155906294.

The spelling of 166934274 in words is "one hundred sixty-six million, nine hundred thirty-four thousand, two hundred seventy-four".