5162021172 has 432 divisors, whose sum is σ = 17450008576. Its totient is φ = 1257379200.

The previous prime is 5162021149. The next prime is 5162021173. The reversal of 5162021172 is 2711202615.

5162021172 is a `hidden beast` number, since 5 + 1 + 620 + 21 + 17 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5162021173) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 40645773 + ... + 40645899.

Almost surely, 2^5162021172 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 5162021172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8725004288).

5162021172 is an abundant number, since it is smaller than the sum of its proper divisors (12287987404).

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

5162021172 is a wasteful number, since it uses less digits than its factorization.

5162021172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 5162021172 is about 71847.2071273477. The cubic root of 5162021172 is about 1728.2501124914.

Adding to 5162021172 its reverse (2711202615), we get a palindrome (7873223787).

The spelling of 5162021172 in words is "five billion, one hundred sixty-two million, twenty-one thousand, one hundred seventy-two".