166264132 has 12 divisors (see below), whose sum is σ = 293537916. Its totient is φ = 82396160.

The previous prime is 166264093. The next prime is 166264169. The reversal of 166264132 is 231462661.

It can be written as a sum of positive squares in 2 ways, for example, as 79103236 + 87160896 = 8894^2 + 9336^2 .

It is a junction number, because it is equal to n+sod(n) for n = 166264094 and 166264103.

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, 183469 + ... + 184372.

It is an arithmetic number, because the mean of its divisors is an integer number (24461493).

Almost surely, 2^166264132 is an apocalyptic number.

It is an amenable number.

166264132 is a deficient number, since it is larger than the sum of its proper divisors (127273784).

166264132 is a wasteful number, since it uses less digits than its factorization.

166264132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367958 (or 367956 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 166264132 is about 12894.3449620367. The cubic root of 166264132 is about 549.8778042582.

The spelling of 166264132 in words is "one hundred sixty-six million, two hundred sixty-four thousand, one hundred thirty-two".