66100080360 has 32 divisors (see below), whose sum is σ = 198300241440. Its totient is φ = 17626688064.

The previous prime is 66100080349. The next prime is 66100080377. The reversal of 66100080360 is 6308000166.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275416882 + ... + 275417121.

It is an arithmetic number, because the mean of its divisors is an integer number (6196882545).

Almost surely, 2^66100080360 is an apocalyptic number.

66100080360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66100080360 is an abundant number, since it is smaller than the sum of its proper divisors (132200161080).

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

66100080360 is a wasteful number, since it uses less digits than its factorization.

66100080360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550834017 (or 550834013 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 66100080360 in words is "sixty-six billion, one hundred million, eighty thousand, three hundred sixty".