8618037172 has 12 divisors (see below), whose sum is σ = 15146294436. Its totient is φ = 4290524480.

The previous prime is 8618037143. The next prime is 8618037203. The reversal of 8618037172 is 2717308168.

It can be written as a sum of positive squares in 2 ways, for example, as 4683486096 + 3934551076 = 68436^2 + 62726^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4622479 + ... + 4624342.

It is an arithmetic number, because the mean of its divisors is an integer number (1262191203).

Almost surely, 2^8618037172 is an apocalyptic number.

It is an amenable number.

8618037172 is a deficient number, since it is larger than the sum of its proper divisors (6528257264).

8618037172 is a wasteful number, since it uses less digits than its factorization.

8618037172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9247058 (or 9247056 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 8618037172 is about 92833.3839305667. The cubic root of 8618037172 is about 2050.2309612475.

The spelling of 8618037172 in words is "eight billion, six hundred eighteen million, thirty-seven thousand, one hundred seventy-two".