166964922 has 64 divisors (see below), whose sum is σ = 395020800. Its totient is φ = 52093440.

The previous prime is 166964921. The next prime is 166964927. The reversal of 166964922 is 229469661.

It is not an unprimeable number, because it can be changed into a prime (166964921) 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, 219022 + ... + 219782.

It is an arithmetic number, because the mean of its divisors is an integer number (6172200).

Almost surely, 2^166964922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166964922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197510400).

166964922 is an abundant number, since it is smaller than the sum of its proper divisors (228055878).

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

166964922 is a wasteful number, since it uses less digits than its factorization.

166964922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028 (or 1022 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 166964922 is about 12921.4907034754. The cubic root of 166964922 is about 550.6492849963.

The spelling of 166964922 in words is "one hundred sixty-six million, nine hundred sixty-four thousand, nine hundred twenty-two".