667371310311216 has 160 divisors (see below), whose sum is σ = 1979996474400768. Its totient is φ = 189744174224640.

The previous prime is 667371310311143. The next prime is 667371310311229. The reversal of 667371310311216 is 612113013173766.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 70872091 + ... + 79734533.

Almost surely, 2^{667371310311216} 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 667371310311216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (989998237200384).

667371310311216 is an abundant number, since it is smaller than the sum of its proper divisors (1312625164089552).

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

667371310311216 is a wasteful number, since it uses less digits than its factorization.

667371310311216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8863559 (or 8863553 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 48.

The spelling of 667371310311216 in words is "six hundred sixty-seven trillion, three hundred seventy-one billion, three hundred ten million, three hundred eleven thousand, two hundred sixteen".