3157681471488 has 192 divisors, whose sum is σ = 9129174919800. Its totient is φ = 1051738767360.

The previous prime is 3157681471481. The next prime is 3157681471489. The reversal of 3157681471488 is 8841741867513.

3157681471488 is a `hidden beast` number, since 3 + 1 + 5 + 7 + 6 + 8 + 147 + 1 + 488 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157681471481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 465662658 + ... + 465669438.

Almost surely, 2^{3157681471488} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3157681471488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4564587459900).

3157681471488 is an abundant number, since it is smaller than the sum of its proper divisors (5971493448312).

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

3157681471488 is an equidigital number, since it uses as much as digits as its factorization.

3157681471488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8396 (or 8365 counting only the distinct ones).

The product of its digits is 36126720, while the sum is 63.

The spelling of 3157681471488 in words is "three trillion, one hundred fifty-seven billion, six hundred eighty-one million, four hundred seventy-one thousand, four hundred eighty-eight".