82158571082 has 16 divisors (see below), whose sum is σ = 140849068992. Its totient is φ = 35209365120.

The previous prime is 82158571073. The next prime is 82158571093. The reversal of 82158571082 is 28017585128.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275813 + ... + 490295.

It is an arithmetic number, because the mean of its divisors is an integer number (8803066812).

Almost surely, 2^82158571082 is an apocalyptic number.

82158571082 is a deficient number, since it is larger than the sum of its proper divisors (58690497910).

82158571082 is a wasteful number, since it uses less digits than its factorization.

82158571082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241853.

The product of its (nonzero) digits is 358400, while the sum is 47.

The spelling of 82158571082 in words is "eighty-two billion, one hundred fifty-eight million, five hundred seventy-one thousand, eighty-two".