8182653661 has 24 divisors (see below), whose sum is σ = 10177985664. Its totient is φ = 6441140160.

The previous prime is 8182653607. The next prime is 8182653697. The reversal of 8182653661 is 1663562818.

8182653661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8182653661 - 2²⁷ = 8048435933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8182653361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215496 + ... + 250606.

It is an arithmetic number, because the mean of its divisors is an integer number (424082736).

Almost surely, 2^8182653661 is an apocalyptic number.

It is an amenable number.

8182653661 is a deficient number, since it is larger than the sum of its proper divisors (1995332003).

8182653661 is a wasteful number, since it uses less digits than its factorization.

8182653661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35341 (or 35328 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 8182653661 is about 90458.0215403808. The cubic root of 8182653661 is about 2015.1067442584.

The spelling of 8182653661 in words is "eight billion, one hundred eighty-two million, six hundred fifty-three thousand, six hundred sixty-one".