82163911011 has 128 divisors (see below), whose sum is σ = 149113896960. Its totient is φ = 39004416000.

The previous prime is 82163911001. The next prime is 82163911043. The reversal of 82163911011 is 11011936128.

It is not a de Polignac number, because 82163911011 - 2⁷ = 82163910883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82163911001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 18012171 + ... + 18016731.

It is an arithmetic number, because the mean of its divisors is an integer number (1164952320).

Almost surely, 2^82163911011 is an apocalyptic number.

82163911011 is a deficient number, since it is larger than the sum of its proper divisors (66949985949).

82163911011 is a wasteful number, since it uses less digits than its factorization.

82163911011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4777.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 82163911011 in words is "eighty-two billion, one hundred sixty-three million, nine hundred eleven thousand, eleven".