45664166320 has 40 divisors (see below), whose sum is σ = 106199894736. Its totient is φ = 18260383488.

The previous prime is 45664166311. The next prime is 45664166323. The reversal of 45664166320 is 2366146654.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (45664166323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201859 + ... + 363421.

Almost surely, 2^45664166320 is an apocalyptic number.

45664166320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45664166320 is an abundant number, since it is smaller than the sum of its proper divisors (60535728416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45664166320 is a wasteful number, since it uses less digits than its factorization.

45664166320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165109 (or 165103 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 45664166320 in words is "forty-five billion, six hundred sixty-four million, one hundred sixty-six thousand, three hundred twenty".