82411292161 has 4 divisors (see below), whose sum is σ = 89903227824. Its totient is φ = 74919356500.

The previous prime is 82411292147. The next prime is 82411292167. The reversal of 82411292161 is 16129211428.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82411292161 - 2²¹ = 82409195009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82411292161.

It is not an unprimeable number, because it can be changed into a prime (82411292167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3745967815 + ... + 3745967836.

It is an arithmetic number, because the mean of its divisors is an integer number (22475806956).

Almost surely, 2^82411292161 is an apocalyptic number.

It is an amenable number.

82411292161 is a deficient number, since it is larger than the sum of its proper divisors (7491935663).

82411292161 is a wasteful number, since it uses less digits than its factorization.

82411292161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7491935662.

The product of its digits is 13824, while the sum is 37.

The spelling of 82411292161 in words is "eighty-two billion, four hundred eleven million, two hundred ninety-two thousand, one hundred sixty-one".