166264464 has 20 divisors (see below), whose sum is σ = 429516656. Its totient is φ = 55421472.

The previous prime is 166264457. The next prime is 166264477. The reversal of 166264464 is 464462661.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1731874 + ... + 1731969.

Almost surely, 2^166264464 is an apocalyptic number.

It is an amenable number.

166264464 is an abundant number, since it is smaller than the sum of its proper divisors (263252192).

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

166264464 is a wasteful number, since it uses less digits than its factorization.

166264464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463854 (or 3463848 counting only the distinct ones).

The product of its digits is 165888, while the sum is 39.

The square root of 166264464 is about 12894.3578358909. The cubic root of 166264464 is about 549.8781702608.

The spelling of 166264464 in words is "one hundred sixty-six million, two hundred sixty-four thousand, four hundred sixty-four".