166570952916 has 48 divisors (see below), whose sum is σ = 420284180736. Its totient is φ = 51145688064.

The previous prime is 166570952909. The next prime is 166570952971. The reversal of 166570952916 is 619259075661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8676841 + ... + 8696016.

It is an arithmetic number, because the mean of its divisors is an integer number (8755920432).

Almost surely, 2^166570952916 is an apocalyptic number.

It is an amenable number.

166570952916 is an abundant number, since it is smaller than the sum of its proper divisors (253713227820).

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

166570952916 is a wasteful number, since it uses less digits than its factorization.

166570952916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17372928 (or 17372926 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 57.

The spelling of 166570952916 in words is "one hundred sixty-six billion, five hundred seventy million, nine hundred fifty-two thousand, nine hundred sixteen".