166657435012 has 12 divisors (see below), whose sum is σ = 307000538320. Its totient is φ = 78942995496.

The previous prime is 166657435003. The next prime is 166657435013. The reversal of 166657435012 is 210534756661.

It is not an unprimeable number, because it can be changed into a prime (166657435013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1096430418 + ... + 1096430569.

Almost surely, 2^166657435012 is an apocalyptic number.

It is an amenable number.

166657435012 is a deficient number, since it is larger than the sum of its proper divisors (140343103308).

166657435012 is a wasteful number, since it uses less digits than its factorization.

166657435012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192861010 (or 2192861008 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 166657435012 in words is "one hundred sixty-six billion, six hundred fifty-seven million, four hundred thirty-five thousand, twelve".