45412166520 has 96 divisors (see below), whose sum is σ = 168673770720. Its totient is φ = 10379923200.

The previous prime is 45412166491. The next prime is 45412166539. The reversal of 45412166520 is 2566121454.

45412166520 is a `hidden beast` number, since 4 + 5 + 4 + 121 + 6 + 6 + 520 = 666.

45412166520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9007831 + ... + 9012870.

It is an arithmetic number, because the mean of its divisors is an integer number (1757018445).

Almost surely, 2^45412166520 is an apocalyptic number.

45412166520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45412166520 is an abundant number, since it is smaller than the sum of its proper divisors (123261604200).

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

45412166520 is a wasteful number, since it uses less digits than its factorization.

45412166520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18020725 (or 18020718 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 45412166520 its reverse (2566121454), we get a palindrome (47978287974).

The spelling of 45412166520 in words is "forty-five billion, four hundred twelve million, one hundred sixty-six thousand, five hundred twenty".