316121401680 has 160 divisors (see below), whose sum is σ = 1135315501824. Its totient is φ = 71266480128.

The previous prime is 316121401657. The next prime is 316121401723. The reversal of 316121401680 is 86104121613.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1166179 + ... + 1411458.

Almost surely, 2^316121401680 is an apocalyptic number.

316121401680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

316121401680 is an abundant number, since it is smaller than the sum of its proper divisors (819194100144).

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

316121401680 is a wasteful number, since it uses less digits than its factorization.

316121401680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577733 (or 2577727 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The spelling of 316121401680 in words is "three hundred sixteen billion, one hundred twenty-one million, four hundred one thousand, six hundred eighty".