495656661886 has 4 divisors (see below), whose sum is σ = 743484992832. Its totient is φ = 247828330942.

The previous prime is 495656661869. The next prime is 495656661901. The reversal of 495656661886 is 688166656594.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123914165470 + ... + 123914165473.

It is an arithmetic number, because the mean of its divisors is an integer number (185871248208).

Almost surely, 2^495656661886 is an apocalyptic number.

495656661886 is a deficient number, since it is larger than the sum of its proper divisors (247828330946).

495656661886 is a wasteful number, since it uses less digits than its factorization.

495656661886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247828330945.

The product of its digits is 447897600, while the sum is 70.

The spelling of 495656661886 in words is "four hundred ninety-five billion, six hundred fifty-six million, six hundred sixty-one thousand, eight hundred eighty-six".