8541186660 has 72 divisors (see below), whose sum is σ = 27271870080. Its totient is φ = 2157772608.

The previous prime is 8541186659. The next prime is 8541186727. The reversal of 8541186660 is 666811458.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1245292 + ... + 1252131.

Almost surely, 2^8541186660 is an apocalyptic number.

It is an amenable number.

8541186660 is an abundant number, since it is smaller than the sum of its proper divisors (18730683420).

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

8541186660 is a wasteful number, since it uses less digits than its factorization.

8541186660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497457 (or 2497452 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 8541186660 is about 92418.5406723132. The cubic root of 8541186660 is about 2044.1185106614.

The spelling of 8541186660 in words is "eight billion, five hundred forty-one million, one hundred eighty-six thousand, six hundred sixty".