82560149818 has 8 divisors (see below), whose sum is σ = 123841444212. Its totient is φ = 41279668416.

The previous prime is 82560149731. The next prime is 82560149843. The reversal of 82560149818 is 81894106528.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 82026678409 + 533471409 = 286403^2 + 23097^2 .

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

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, 291346 + ... + 500002.

Almost surely, 2^82560149818 is an apocalyptic number.

82560149818 is a deficient number, since it is larger than the sum of its proper divisors (41281294394).

82560149818 is a wasteful number, since it uses less digits than its factorization.

82560149818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406496.

The product of its (nonzero) digits is 1105920, while the sum is 52.

The spelling of 82560149818 in words is "eighty-two billion, five hundred sixty million, one hundred forty-nine thousand, eight hundred eighteen".