667714798288 has 10 divisors (see below), whose sum is σ = 1293697421714. Its totient is φ = 333857399136.

The previous prime is 667714798259. The next prime is 667714798291. The reversal of 667714798288 is 882897417766.

It can be written as a sum of positive squares in only one way, i.e., 582364344384 + 85350453904 = 763128^2 + 292148^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 667714798288.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20866087431 + ... + 20866087462.

Almost surely, 2^667714798288 is an apocalyptic number.

It is an amenable number.

667714798288 is a deficient number, since it is larger than the sum of its proper divisors (625982623426).

667714798288 is a wasteful number, since it uses less digits than its factorization.

667714798288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41732174901 (or 41732174895 counting only the distinct ones).

The product of its digits is 455196672, while the sum is 73.

The spelling of 667714798288 in words is "six hundred sixty-seven billion, seven hundred fourteen million, seven hundred ninety-eight thousand, two hundred eighty-eight".