166248434 has 12 divisors (see below), whose sum is σ = 274104222. Its totient is φ = 75567360.

The previous prime is 166248421. The next prime is 166248451. The reversal of 166248434 is 434842661.

It can be written as a sum of positive squares in only one way, i.e., 127622209 + 38626225 = 11297^2 + 6215^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 343247 + ... + 343730.

Almost surely, 2^166248434 is an apocalyptic number.

166248434 is a deficient number, since it is larger than the sum of its proper divisors (107855788).

166248434 is a wasteful number, since it uses less digits than its factorization.

166248434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687001 (or 686990 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The square root of 166248434 is about 12893.7362312093. The cubic root of 166248434 is about 549.8604979530.

The spelling of 166248434 in words is "one hundred sixty-six million, two hundred forty-eight thousand, four hundred thirty-four".