82163619265 has 32 divisors (see below), whose sum is σ = 121394730240. Its totient is φ = 51987412224.

The previous prime is 82163619259. The next prime is 82163619287. The reversal of 82163619265 is 56291636128.

It is a cyclic number.

It is not a de Polignac number, because 82163619265 - 2³ = 82163619257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1236622 + ... + 1301368.

It is an arithmetic number, because the mean of its divisors is an integer number (3793585320).

Almost surely, 2^82163619265 is an apocalyptic number.

It is an amenable number.

82163619265 is a deficient number, since it is larger than the sum of its proper divisors (39231110975).

82163619265 is a wasteful number, since it uses less digits than its factorization.

82163619265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67561.

The product of its digits is 933120, while the sum is 49.

The spelling of 82163619265 in words is "eighty-two billion, one hundred sixty-three million, six hundred nineteen thousand, two hundred sixty-five".