8657661153 has 8 divisors (see below), whose sum is σ = 11558562400. Its totient is φ = 5764267008.

The previous prime is 8657661149. The next prime is 8657661169. The reversal of 8657661153 is 3511667568.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8657661153 - 2² = 8657661149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8657611153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1874083 + ... + 1878696.

It is an arithmetic number, because the mean of its divisors is an integer number (1444820300).

Almost surely, 2^8657661153 is an apocalyptic number.

It is an amenable number.

8657661153 is a deficient number, since it is larger than the sum of its proper divisors (2900901247).

8657661153 is a wasteful number, since it uses less digits than its factorization.

8657661153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3753551.

The product of its digits is 907200, while the sum is 48.

The square root of 8657661153 is about 93046.5536868508. The cubic root of 8657661153 is about 2053.3683393747.

The spelling of 8657661153 in words is "eight billion, six hundred fifty-seven million, six hundred sixty-one thousand, one hundred fifty-three".