28551684162 has 16 divisors (see below), whose sum is σ = 57198389472. Its totient is φ = 9501391200.

The previous prime is 28551684121. The next prime is 28551684163. The reversal of 28551684162 is 26148615582.

It is not an unprimeable number, because it can be changed into a prime (28551684163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3955308 + ... + 3962519.

It is an arithmetic number, because the mean of its divisors is an integer number (3574899342).

Almost surely, 2^28551684162 is an apocalyptic number.

28551684162 is an abundant number, since it is smaller than the sum of its proper divisors (28646705310).

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

28551684162 is a wasteful number, since it uses less digits than its factorization.

28551684162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7918433.

The product of its digits is 921600, while the sum is 48.

The spelling of 28551684162 in words is "twenty-eight billion, five hundred fifty-one million, six hundred eighty-four thousand, one hundred sixty-two".