6161315436 has 48 divisors (see below), whose sum is σ = 16057466880. Its totient is φ = 2043012240.

The previous prime is 6161315429. The next prime is 6161315471. The reversal of 6161315436 is 6345131616.

6161315436 is a `hidden beast` number, since 6 + 1 + 613 + 1 + 5 + 4 + 36 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6161315436.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128716 + ... + 169971.

It is an arithmetic number, because the mean of its divisors is an integer number (334530560).

Almost surely, 2^6161315436 is an apocalyptic number.

It is an amenable number.

6161315436 is an abundant number, since it is smaller than the sum of its proper divisors (9896151444).

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

6161315436 is a wasteful number, since it uses less digits than its factorization.

6161315436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298891 (or 298883 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 6161315436 is about 78494.0471373467. The cubic root of 6161315436 is about 1833.2617668005.

The spelling of 6161315436 in words is "six billion, one hundred sixty-one million, three hundred fifteen thousand, four hundred thirty-six".