166500164 has 6 divisors (see below), whose sum is σ = 291375294. Its totient is φ = 83250080.

The previous prime is 166500143. The next prime is 166500203. The reversal of 166500164 is 461005661.

166500164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 112360000 + 54140164 = 10600^2 + 7358^2 .

It is a super-2 number, since 2×166500164² = 55444609224053792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20812517 + ... + 20812524.

It is an arithmetic number, because the mean of its divisors is an integer number (48562549).

Almost surely, 2^166500164 is an apocalyptic number.

It is an amenable number.

166500164 is a deficient number, since it is larger than the sum of its proper divisors (124875130).

166500164 is a wasteful number, since it uses less digits than its factorization.

166500164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41625045 (or 41625043 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 166500164 is about 12903.4942554333. The cubic root of 166500164 is about 550.1378871913.

The spelling of 166500164 in words is "one hundred sixty-six million, five hundred thousand, one hundred sixty-four".