166057380082 has 36 divisors (see below), whose sum is σ = 280535170734. Its totient is φ = 73621636000.

The previous prime is 166057380029. The next prime is 166057380131. The reversal of 166057380082 is 280083750661.

It can be written as a sum of positive squares in only one way, i.e., 164032290081 + 2025090001 = 405009^2 + 45001^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 40588857 + ... + 40592947.

Almost surely, 2^166057380082 is an apocalyptic number.

166057380082 is a deficient number, since it is larger than the sum of its proper divisors (114477790652).

166057380082 is an frugal number, since it uses more digits than its factorization.

166057380082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8247 (or 4145 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 166057380082 in words is "one hundred sixty-six billion, fifty-seven million, three hundred eighty thousand, eighty-two".