667920790762 has 8 divisors (see below), whose sum is σ = 1001908101600. Its totient is φ = 333951423564.

The previous prime is 667920790741. The next prime is 667920790813. The reversal of 667920790762 is 267097029766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×667920790762² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 667920790762.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4392462 + ... + 4541977.

It is an arithmetic number, because the mean of its divisors is an integer number (125238512700).

Almost surely, 2^667920790762 is an apocalyptic number.

667920790762 is a deficient number, since it is larger than the sum of its proper divisors (333987310838).

667920790762 is a wasteful number, since it uses less digits than its factorization.

667920790762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8971820.

The product of its (nonzero) digits is 24004512, while the sum is 61.

The spelling of 667920790762 in words is "six hundred sixty-seven billion, nine hundred twenty million, seven hundred ninety thousand, seven hundred sixty-two".