3157011660 has 96 divisors (see below), whose sum is σ = 9666381312. Its totient is φ = 763499520.

The previous prime is 3157011653. The next prime is 3157011661. The reversal of 3157011660 is 661107513.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (3157011661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 280257 + ... + 291303.

It is an arithmetic number, because the mean of its divisors is an integer number (100691472).

Almost surely, 2^3157011660 is an apocalyptic number.

3157011660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3157011660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4833190656).

3157011660 is an abundant number, since it is smaller than the sum of its proper divisors (6509369652).

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

3157011660 is a wasteful number, since it uses less digits than its factorization.

3157011660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11503 (or 11501 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 3157011660 is about 56187.2909117355. The cubic root of 3157011660 is about 1466.9840613596.

The spelling of 3157011660 in words is "three billion, one hundred fifty-seven million, eleven thousand, six hundred sixty".