82565266195 has 4 divisors (see below), whose sum is σ = 99078319440. Its totient is φ = 66052212952.

The previous prime is 82565266141. The next prime is 82565266211. The reversal of 82565266195 is 59166256528.

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

It is a cyclic number.

It is not a de Polignac number, because 82565266195 - 2⁷ = 82565266067 is a prime.

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, 8256526615 + ... + 8256526624.

It is an arithmetic number, because the mean of its divisors is an integer number (24769579860).

Almost surely, 2^82565266195 is an apocalyptic number.

82565266195 is a deficient number, since it is larger than the sum of its proper divisors (16513053245).

82565266195 is a wasteful number, since it uses less digits than its factorization.

82565266195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16513053244.

The product of its digits is 7776000, while the sum is 55.

The spelling of 82565266195 in words is "eighty-two billion, five hundred sixty-five million, two hundred sixty-six thousand, one hundred ninety-five".