3135161856 has 80 divisors (see below), whose sum is σ = 8489443248. Its totient is φ = 1027891200.

The previous prime is 3135161851. The next prime is 3135161881. The reversal of 3135161856 is 6581615313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3135161851) 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, 76966 + ... + 110426.

Almost surely, 2^3135161856 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 3135161856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4244721624).

3135161856 is an abundant number, since it is smaller than the sum of its proper divisors (5354281392).

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

3135161856 is an equidigital number, since it uses as much as digits as its factorization.

3135161856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33543 (or 33527 counting only the distinct ones).

The product of its digits is 64800, while the sum is 39.

The square root of 3135161856 is about 55992.5160713465. The cubic root of 3135161856 is about 1463.5918716622.

The spelling of 3135161856 in words is "three billion, one hundred thirty-five million, one hundred sixty-one thousand, eight hundred fifty-six".