667616317055700 has 72 divisors (see below), whose sum is σ = 2045262223089792. Its totient is φ = 167558605063680.

The previous prime is 667616317055669. The next prime is 667616317055761. The reversal of 667616317055700 is 7550713616766.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65452575004 + ... + 65452585203.

It is an arithmetic number, because the mean of its divisors is an integer number (28406419765136).

Almost surely, 2^{667616317055700} is an apocalyptic number.

667616317055700 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

667616317055700 is an abundant number, since it is smaller than the sum of its proper divisors (1377645906034092).

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

667616317055700 is a wasteful number, since it uses less digits than its factorization.

667616317055700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130905160241 (or 130905160234 counting only the distinct ones).

The product of its (nonzero) digits is 33339600, while the sum is 60.

The spelling of 667616317055700 in words is "six hundred sixty-seven trillion, six hundred sixteen billion, three hundred seventeen million, fifty-five thousand, seven hundred".