3081630564 has 18 divisors (see below), whose sum is σ = 7789677350. Its totient is φ = 1027210176.

The previous prime is 3081630553. The next prime is 3081630589. The reversal of 3081630564 is 4650361803.

3081630564 is a `hidden beast` number, since 30 + 8 + 1 + 63 + 0 + 564 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2613254400 + 468376164 = 51120^2 + 21642^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 85600849 = 3081630564 / (3 + 0 + 8 + 1 + 6 + 3 + 0 + 5 + 6 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42800389 + ... + 42800460.

Almost surely, 2^3081630564 is an apocalyptic number.

It is an amenable number.

3081630564 is an abundant number, since it is smaller than the sum of its proper divisors (4708046786).

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

3081630564 is a wasteful number, since it uses less digits than its factorization.

3081630564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85600859 (or 85600854 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 3081630564 is about 55512.4361202064. The cubic root of 3081630564 is about 1455.2139778120.

The spelling of 3081630564 in words is "three billion, eighty-one million, six hundred thirty thousand, five hundred sixty-four".