82151187158 has 16 divisors (see below), whose sum is σ = 136148260320. Its totient is φ = 36978539136.

The previous prime is 82151187143. The next prime is 82151187161. The reversal of 82151187158 is 85178115128.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 52525553 + ... + 52527116.

It is an arithmetic number, because the mean of its divisors is an integer number (8509266270).

Almost surely, 2^82151187158 is an apocalyptic number.

82151187158 is a deficient number, since it is larger than the sum of its proper divisors (53997073162).

82151187158 is a wasteful number, since it uses less digits than its factorization.

82151187158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105052711.

The product of its digits is 179200, while the sum is 47.

The spelling of 82151187158 in words is "eighty-two billion, one hundred fifty-one million, one hundred eighty-seven thousand, one hundred fifty-eight".