5165613720 has 96 divisors (see below), whose sum is σ = 16804756800. Its totient is φ = 1376142336.

The previous prime is 5165613703. The next prime is 5165613743. The reversal of 5165613720 is 273165615.

5165613720 is a `hidden beast` number, since 5 + 16 + 5 + 613 + 7 + 20 = 666.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390576 + ... + 403584.

It is an arithmetic number, because the mean of its divisors is an integer number (175049550).

Almost surely, 2^5165613720 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 5165613720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8402378400).

5165613720 is an abundant number, since it is smaller than the sum of its proper divisors (11639143080).

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

5165613720 is a wasteful number, since it uses less digits than its factorization.

5165613720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14129 (or 14122 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 5165613720 is about 71872.2040847503. The cubic root of 5165613720 is about 1728.6509491325.

The spelling of 5165613720 in words is "five billion, one hundred sixty-five million, six hundred thirteen thousand, seven hundred twenty".