5162121172 has 48 divisors (see below), whose sum is σ = 10385020800. Its totient is φ = 2225301120.

The previous prime is 5162121169. The next prime is 5162121199. The reversal of 5162121172 is 2711212615.

It is a self number, because there is not a number n which added to its sum of digits gives 5162121172.

It is a congruent number.

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, 33354 + ... + 106942.

It is an arithmetic number, because the mean of its divisors is an integer number (216354600).

Almost surely, 2^5162121172 is an apocalyptic number.

5162121172 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5162121172 is an abundant number, since it is smaller than the sum of its proper divisors (5222899628).

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

5162121172 is a wasteful number, since it uses less digits than its factorization.

5162121172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73696 (or 73694 counting only the distinct ones).

The product of its digits is 1680, while the sum is 28.

The square root of 5162121172 is about 71847.9030452525. The cubic root of 5162121172 is about 1728.2612724544.

Adding to 5162121172 its reverse (2711212615), we get a palindrome (7873333787).

The spelling of 5162121172 in words is "five billion, one hundred sixty-two million, one hundred twenty-one thousand, one hundred seventy-two".