166201672 has 32 divisors (see below), whose sum is σ = 383544000. Its totient is φ = 65749824.

The previous prime is 166201631. The next prime is 166201681. The reversal of 166201672 is 276102661.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113422 + ... + 114877.

It is an arithmetic number, because the mean of its divisors is an integer number (11985750).

Almost surely, 2^166201672 is an apocalyptic number.

It is an amenable number.

166201672 is an abundant number, since it is smaller than the sum of its proper divisors (217342328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166201672 is a wasteful number, since it uses less digits than its factorization.

166201672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228325 (or 228321 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 166201672 is about 12891.9227425547. The cubic root of 166201672 is about 549.8089385946.

The spelling of 166201672 in words is "one hundred sixty-six million, two hundred one thousand, six hundred seventy-two".