166148936 has 8 divisors (see below), whose sum is σ = 311529270. Its totient is φ = 83074464.

The previous prime is 166148923. The next prime is 166148959. The reversal of 166148936 is 639841661.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 156100036 + 10048900 = 12494^2 + 3170^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10384301 + ... + 10384316.

Almost surely, 2^166148936 is an apocalyptic number.

It is an amenable number.

166148936 is a deficient number, since it is larger than the sum of its proper divisors (145380334).

166148936 is a wasteful number, since it uses less digits than its factorization.

166148936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20768623 (or 20768619 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 166148936 is about 12889.8772686166. The cubic root of 166148936 is about 549.7507807533.

The spelling of 166148936 in words is "one hundred sixty-six million, one hundred forty-eight thousand, nine hundred thirty-six".