667714798272 has 28 divisors (see below), whose sum is σ = 1766662070936. Its totient is φ = 222571599360.

The previous prime is 667714798259. The next prime is 667714798291. The reversal of 667714798272 is 272897417766.

667714798272 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 1738840429 + ... + 1738840812.

It is an arithmetic number, because the mean of its divisors is an integer number (63095073962).

Almost surely, 2^667714798272 is an apocalyptic number.

It is an amenable number.

667714798272 is an abundant number, since it is smaller than the sum of its proper divisors (1098947272664).

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

667714798272 is a wasteful number, since it uses less digits than its factorization.

667714798272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3477681256 (or 3477681246 counting only the distinct ones).

The product of its digits is 99574272, while the sum is 66.

The spelling of 667714798272 in words is "six hundred sixty-seven billion, seven hundred fourteen million, seven hundred ninety-eight thousand, two hundred seventy-two".