5161332672 has 168 divisors, whose sum is σ = 15807334400. Its totient is φ = 1605339648.

The previous prime is 5161332647. The next prime is 5161332697. The reversal of 5161332672 is 2762331615.

5161332672 is a `hidden beast` number, since 5 + 1 + 613 + 32 + 6 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (5161332647) and next prime (5161332697).

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 729729 + ... + 736767.

Almost surely, 2^5161332672 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 5161332672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7903667200).

5161332672 is an abundant number, since it is smaller than the sum of its proper divisors (10646001728).

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

5161332672 is a wasteful number, since it uses less digits than its factorization.

5161332672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7143 (or 7130 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 5161332672 is about 71842.4155495902. The cubic root of 5161332672 is about 1728.1732722339.

The spelling of 5161332672 in words is "five billion, one hundred sixty-one million, three hundred thirty-two thousand, six hundred seventy-two".