6161388032 has 30 divisors (see below), whose sum is σ = 12314291913. Its totient is φ = 3079805952.

The previous prime is 6161388019. The next prime is 6161388041. The reversal of 6161388032 is 2308831616.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 4098048256 + 2063339776 = 64016^2 + 45424^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=55504.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1774394 + ... + 1777862.

Almost surely, 2^6161388032 is an apocalyptic number.

It is an amenable number.

6161388032 is a deficient number, since it is larger than the sum of its proper divisors (6152903881).

6161388032 is an frugal number, since it uses more digits than its factorization.

6161388032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6956 (or 3471 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 6161388032 is about 78494.5095659563. The cubic root of 6161388032 is about 1833.2689669376.

Multiplying 6161388032 by its product of nonzero digits (41472), we get a square (255525084463104 = 15985152²).

The spelling of 6161388032 in words is "six billion, one hundred sixty-one million, three hundred eighty-eight thousand, thirty-two".