667118793460 has 48 divisors (see below), whose sum is σ = 1605447857664. Its totient is φ = 228103193088.

The previous prime is 667118793433. The next prime is 667118793461. The reversal of 667118793460 is 64397811766.

It is a super-2 number, since 2×667118793460² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 667118793395 and 667118793404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667118793461) 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, 6440629 + ... + 6543388.

It is an arithmetic number, because the mean of its divisors is an integer number (33446830368).

Almost surely, 2^667118793460 is an apocalyptic number.

It is an amenable number.

667118793460 is an abundant number, since it is smaller than the sum of its proper divisors (938329064204).

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

667118793460 is a wasteful number, since it uses less digits than its factorization.

667118793460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12984400 (or 12984398 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 667118793460 in words is "six hundred sixty-seven billion, one hundred eighteen million, seven hundred ninety-three thousand, four hundred sixty".