8130541172 has 24 divisors (see below), whose sum is σ = 15737080296. Its totient is φ = 3651136128.

The previous prime is 8130541163. The next prime is 8130541183. The reversal of 8130541172 is 2711450318.

It can be written as a sum of positive squares in 4 ways, for example, as 1254151396 + 6876389776 = 35414^2 + 82924^2 .

It is a super-2 number, since 2×8130541172² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2111003 + ... + 2114850.

It is an arithmetic number, because the mean of its divisors is an integer number (655711679).

Almost surely, 2^8130541172 is an apocalyptic number.

It is an amenable number.

8130541172 is a deficient number, since it is larger than the sum of its proper divisors (7606539124).

8130541172 is a wasteful number, since it uses less digits than its factorization.

8130541172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4225907 (or 4225905 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 8130541172 is about 90169.5135397768. The cubic root of 8130541172 is about 2010.8197915018.

The spelling of 8130541172 in words is "eight billion, one hundred thirty million, five hundred forty-one thousand, one hundred seventy-two".