45661660120 has 32 divisors (see below), whose sum is σ = 102854642400. Its totient is φ = 18244058368.

The previous prime is 45661660081. The next prime is 45661660127. The reversal of 45661660120 is 2106616654.

It is a self number, because there is not a number n which added to its sum of digits gives 45661660120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45661660127) 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, 608005 + ... + 678964.

It is an arithmetic number, because the mean of its divisors is an integer number (3214207575).

Almost surely, 2^45661660120 is an apocalyptic number.

45661660120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45661660120 is an abundant number, since it is smaller than the sum of its proper divisors (57192982280).

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

45661660120 is a wasteful number, since it uses less digits than its factorization.

45661660120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287867 (or 1287863 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 45661660120 in words is "forty-five billion, six hundred sixty-one million, six hundred sixty thousand, one hundred twenty".