166283912 has 16 divisors (see below), whose sum is σ = 322533900. Its totient is φ = 80274880.

The previous prime is 166283891. The next prime is 166283947. The reversal of 166283912 is 219382661.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 165533956 + 749956 = 12866^2 + 866^2 .

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, 358139 + ... + 358602.

Almost surely, 2^166283912 is an apocalyptic number.

It is an amenable number.

166283912 is a deficient number, since it is larger than the sum of its proper divisors (156249988).

166283912 is a wasteful number, since it uses less digits than its factorization.

166283912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716776 (or 716772 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 166283912 is about 12895.1119421275. Note that the first 3 decimals coincide. The cubic root of 166283912 is about 549.8996092251.

The spelling of 166283912 in words is "one hundred sixty-six million, two hundred eighty-three thousand, nine hundred twelve".