82640180852156 has 12 divisors (see below), whose sum is σ = 144655342026720. Its totient is φ = 41310083130240.

The previous prime is 82640180852123. The next prime is 82640180852191. The reversal of 82640180852156 is 65125808104628.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2501805380 + ... + 2501838411.

It is an arithmetic number, because the mean of its divisors is an integer number (12054611835560).

Almost surely, 2^{82640180852156} is an apocalyptic number.

It is an amenable number.

82640180852156 is a deficient number, since it is larger than the sum of its proper divisors (62015161174564).

82640180852156 is a wasteful number, since it uses less digits than its factorization.

82640180852156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003647924 (or 5003647922 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 56.

The spelling of 82640180852156 in words is "eighty-two trillion, six hundred forty billion, one hundred eighty million, eight hundred fifty-two thousand, one hundred fifty-six".