3157481616 has 20 divisors (see below), whose sum is σ = 8156827632. Its totient is φ = 1052493856.

The previous prime is 3157481611. The next prime is 3157481623. The reversal of 3157481616 is 6161847513.

It is not an unprimeable number, because it can be changed into a prime (3157481611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32890386 + ... + 32890481.

Almost surely, 2^3157481616 is an apocalyptic number.

It is an amenable number.

3157481616 is an abundant number, since it is smaller than the sum of its proper divisors (4999346016).

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

3157481616 is a wasteful number, since it uses less digits than its factorization.

3157481616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65780878 (or 65780872 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 3157481616 is about 56191.4728050440. The cubic root of 3157481616 is about 1467.0568499996.

The spelling of 3157481616 in words is "three billion, one hundred fifty-seven million, four hundred eighty-one thousand, six hundred sixteen".