667374068160 has 112 divisors (see below), whose sum is σ = 2354347437600. Its totient is φ = 177966415872.

The previous prime is 667374068147. The next prime is 667374068161. The reversal of 667374068160 is 61860473766.

667374068160 is a `hidden beast` number, since 6 + 6 + 73 + 7 + 406 + 8 + 160 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 667374068097 and 667374068106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667374068161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38612545 + ... + 38629824.

Almost surely, 2^667374068160 is an apocalyptic number.

667374068160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

667374068160 is an abundant number, since it is smaller than the sum of its proper divisors (1686973369440).

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

667374068160 is a wasteful number, since it uses less digits than its factorization.

667374068160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77242395 (or 77242379 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 667374068160 in words is "six hundred sixty-seven billion, three hundred seventy-four million, sixty-eight thousand, one hundred sixty".