3135561660 has 144 divisors (see below), whose sum is σ = 11858176512. Its totient is φ = 651542400.

The previous prime is 3135561643. The next prime is 3135561679. The reversal of 3135561660 is 661655313.

3135561660 is a `hidden beast` number, since 3 + 1 + 35 + 5 + 616 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99256 + ... + 126975.

It is an arithmetic number, because the mean of its divisors is an integer number (82348448).

Almost surely, 2^3135561660 is an apocalyptic number.

3135561660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3135561660 is an abundant number, since it is smaller than the sum of its proper divisors (8722614852).

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

3135561660 is a wasteful number, since it uses less digits than its factorization.

3135561660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226264 (or 226259 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 3135561660 is about 55996.0861132276. The cubic root of 3135561660 is about 1463.6540826994.

The spelling of 3135561660 in words is "three billion, one hundred thirty-five million, five hundred sixty-one thousand, six hundred sixty".