166066156 has 48 divisors (see below), whose sum is σ = 314667360. Its totient is φ = 76446720.

The previous prime is 166066139. The next prime is 166066169. The reversal of 166066156 is 651660661.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523710 + ... + 524026.

It is an arithmetic number, because the mean of its divisors is an integer number (6555570).

Almost surely, 2^166066156 is an apocalyptic number.

It is an amenable number.

166066156 is a deficient number, since it is larger than the sum of its proper divisors (148601204).

166066156 is a wasteful number, since it uses less digits than its factorization.

166066156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 166066156 is about 12886.6658216934. The cubic root of 166066156 is about 549.6594652331.

The spelling of 166066156 in words is "one hundred sixty-six million, sixty-six thousand, one hundred fifty-six".