667371276010765 has 16 divisors (see below), whose sum is σ = 801131080135680. Its totient is φ = 533706684048000.

The previous prime is 667371276010753. The next prime is 667371276010781. The reversal of 667371276010765 is 567010672173766.

It is not a de Polignac number, because 667371276010765 - 2²⁵ = 667371242456333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 667371276010697 and 667371276010706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181757692 + ... + 185393098.

It is an arithmetic number, because the mean of its divisors is an integer number (50070692508480).

Almost surely, 2^{667371276010765} is an apocalyptic number.

It is an amenable number.

667371276010765 is a deficient number, since it is larger than the sum of its proper divisors (133759804124915).

667371276010765 is a wasteful number, since it uses less digits than its factorization.

667371276010765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3648492.

The product of its (nonzero) digits is 93350880, while the sum is 64.

The spelling of 667371276010765 in words is "six hundred sixty-seven trillion, three hundred seventy-one billion, two hundred seventy-six million, ten thousand, seven hundred sixty-five".