671660115716 has 24 divisors (see below), whose sum is σ = 1202354000064. Its totient is φ = 328180892000.

The previous prime is 671660115683. The next prime is 671660115743. The reversal of 671660115716 is 617511066176.

It is a super-2 number, since 2×671660115716² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6257960 + ... + 6364383.

It is an arithmetic number, because the mean of its divisors is an integer number (50098083336).

Almost surely, 2^671660115716 is an apocalyptic number.

It is an amenable number.

671660115716 is a deficient number, since it is larger than the sum of its proper divisors (530693884348).

671660115716 is a wasteful number, since it uses less digits than its factorization.

671660115716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12622651 (or 12622649 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 47.

The spelling of 671660115716 in words is "six hundred seventy-one billion, six hundred sixty million, one hundred fifteen thousand, seven hundred sixteen".