82680186572 has 12 divisors (see below), whose sum is σ = 144950097600. Its totient is φ = 41265872976.

The previous prime is 82680186553. The next prime is 82680186577. The reversal of 82680186572 is 27568108628.

It is a super-2 number, since 2×82680186572² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82680186577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18552572 + ... + 18557027.

It is an arithmetic number, because the mean of its divisors is an integer number (12079174800).

Almost surely, 2^82680186572 is an apocalyptic number.

It is an amenable number.

82680186572 is a deficient number, since it is larger than the sum of its proper divisors (62269911028).

82680186572 is a wasteful number, since it uses less digits than its factorization.

82680186572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37110160 (or 37110158 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 53.

The spelling of 82680186572 in words is "eighty-two billion, six hundred eighty million, one hundred eighty-six thousand, five hundred seventy-two".