166066502 has 16 divisors (see below), whose sum is σ = 285437952. Its totient is φ = 70983240.

The previous prime is 166066501. The next prime is 166066529. The reversal of 166066502 is 205660661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166066501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10124 + ... + 20847.

It is an arithmetic number, because the mean of its divisors is an integer number (17839872).

Almost surely, 2^166066502 is an apocalyptic number.

166066502 is a deficient number, since it is larger than the sum of its proper divisors (119371450).

166066502 is a wasteful number, since it uses less digits than its factorization.

166066502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31363.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 166066502 is about 12886.6792464157. The cubic root of 166066502 is about 549.6598469726.

The spelling of 166066502 in words is "one hundred sixty-six million, sixty-six thousand, five hundred two".