3157705660 has 24 divisors (see below), whose sum is σ = 6632243856. Its totient is φ = 1262880000.

The previous prime is 3157705637. The next prime is 3157705667. The reversal of 3157705660 is 665077513.

It is a happy number.

It is a super-2 number, since 2×3157705660² = 19942210070392071200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157705667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218004 + ... + 232036.

It is an arithmetic number, because the mean of its divisors is an integer number (276343494).

Almost surely, 2^3157705660 is an apocalyptic number.

It is an amenable number.

3157705660 is an abundant number, since it is smaller than the sum of its proper divisors (3474538196).

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

3157705660 is a wasteful number, since it uses less digits than its factorization.

3157705660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25293 (or 25291 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 3157705660 is about 56193.4663461865. The cubic root of 3157705660 is about 1467.0915482761.

The spelling of 3157705660 in words is "three billion, one hundred fifty-seven million, seven hundred five thousand, six hundred sixty".