166749300164 has 24 divisors (see below), whose sum is σ = 307535995200. Its totient is φ = 78892336800.

The previous prime is 166749300163. The next prime is 166749300187. The reversal of 166749300164 is 461003947661.

It is not an unprimeable number, because it can be changed into a prime (166749300161) 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, 1243787 + ... + 1371314.

It is an arithmetic number, because the mean of its divisors is an integer number (12813999800).

Almost surely, 2^166749300164 is an apocalyptic number.

It is an amenable number.

166749300164 is a deficient number, since it is larger than the sum of its proper divisors (140786695036).

166749300164 is a wasteful number, since it uses less digits than its factorization.

166749300164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615963 (or 2615961 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 166749300164 in words is "one hundred sixty-six billion, seven hundred forty-nine million, three hundred thousand, one hundred sixty-four".