28162685682 has 24 divisors (see below), whose sum is σ = 61026640896. Its totient is φ = 9386409816.

The previous prime is 28162685671. The next prime is 28162685687. The reversal of 28162685682 is 28658626182.

It is a happy number.

28162685682 is a `hidden beast` number, since 2 + 8 + 1 + 626 + 8 + 5 + 6 + 8 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (28162685687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61743 + ... + 245229.

It is an arithmetic number, because the mean of its divisors is an integer number (2542776704).

Almost surely, 2^28162685682 is an apocalyptic number.

28162685682 is an abundant number, since it is smaller than the sum of its proper divisors (32863955214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28162685682 is a wasteful number, since it uses less digits than its factorization.

28162685682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192022 (or 192019 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The spelling of 28162685682 in words is "twenty-eight billion, one hundred sixty-two million, six hundred eighty-five thousand, six hundred eighty-two".