667792796870904 has 128 divisors (see below), whose sum is σ = 1712343655756800. Its totient is φ = 216923773685760.

The previous prime is 667792796870879. The next prime is 667792796870923. The reversal of 667792796870904 is 409078697297766.

667792796870904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1779601252 + ... + 1779976460.

It is an arithmetic number, because the mean of its divisors is an integer number (13377684810600).

Almost surely, 2^{667792796870904} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 667792796870904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (856171827878400).

667792796870904 is an abundant number, since it is smaller than the sum of its proper divisors (1044550858885896).

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

667792796870904 is a wasteful number, since it uses less digits than its factorization.

667792796870904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382053 (or 382049 counting only the distinct ones).

The product of its (nonzero) digits is 24196548096, while the sum is 87.

The spelling of 667792796870904 in words is "six hundred sixty-seven trillion, seven hundred ninety-two billion, seven hundred ninety-six million, eight hundred seventy thousand, nine hundred four".