82130157185 has 16 divisors (see below), whose sum is σ = 99586641024. Its totient is φ = 65020620672.

The previous prime is 82130157163. The next prime is 82130157199. The reversal of 82130157185 is 58175103128.

It is a cyclic number.

It is not a de Polignac number, because 82130157185 - 2²⁰ = 82129108609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26357 + ... + 406146.

It is an arithmetic number, because the mean of its divisors is an integer number (6224165064).

Almost surely, 2^82130157185 is an apocalyptic number.

It is an amenable number.

82130157185 is a deficient number, since it is larger than the sum of its proper divisors (17456483839).

82130157185 is a wasteful number, since it uses less digits than its factorization.

82130157185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432904.

The product of its (nonzero) digits is 67200, while the sum is 41.

The spelling of 82130157185 in words is "eighty-two billion, one hundred thirty million, one hundred fifty-seven thousand, one hundred eighty-five".