166337964 has 72 divisors (see below), whose sum is σ = 456244880. Its totient is φ = 50792832.

The previous prime is 166337957. The next prime is 166337993. The reversal of 166337964 is 469733661.

166337964 is a `hidden beast` number, since 1 + 6 + 633 + 7 + 9 + 6 + 4 = 666.

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, 63774 + ... + 66330.

Almost surely, 2^166337964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166337964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228122440).

166337964 is an abundant number, since it is smaller than the sum of its proper divisors (289906916).

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

166337964 is a wasteful number, since it uses less digits than its factorization.

166337964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719 (or 2714 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 166337964 is about 12897.2076047492. The cubic root of 166337964 is about 549.9591859521.

The spelling of 166337964 in words is "one hundred sixty-six million, three hundred thirty-seven thousand, nine hundred sixty-four".