316661603655140 has 12 divisors (see below), whose sum is σ = 664989367675836. Its totient is φ = 126664641462048.

The previous prime is 316661603655119. The next prime is 316661603655197. The reversal of 316661603655140 is 41556306166613.

It can be written as a sum of positive squares in 2 ways, for example, as 76895641608256 + 239765962046884 = 8769016^2 + 15484378^2 .

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, 7916540091359 + ... + 7916540091398.

It is an arithmetic number, because the mean of its divisors is an integer number (55415780639653).

Almost surely, 2^{316661603655140} is an apocalyptic number.

It is an amenable number.

316661603655140 is an abundant number, since it is smaller than the sum of its proper divisors (348327764020696).

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

316661603655140 is a wasteful number, since it uses less digits than its factorization.

316661603655140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15833080182766 (or 15833080182764 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 53.

The spelling of 316661603655140 in words is "three hundred sixteen trillion, six hundred sixty-one billion, six hundred three million, six hundred fifty-five thousand, one hundred forty".