28163436396 has 48 divisors (see below), whose sum is σ = 65886670080. Its totient is φ = 9363279040.

The previous prime is 28163436383. The next prime is 28163436401. The reversal of 28163436396 is 69363436182.

It is a happy 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, 12196090 + ... + 12198398.

It is an arithmetic number, because the mean of its divisors is an integer number (1372638960).

Almost surely, 2^28163436396 is an apocalyptic number.

It is an amenable number.

28163436396 is an abundant number, since it is smaller than the sum of its proper divisors (37723233684).

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

28163436396 is a wasteful number, since it uses less digits than its factorization.

28163436396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4534 (or 4532 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 51.

The spelling of 28163436396 in words is "twenty-eight billion, one hundred sixty-three million, four hundred thirty-six thousand, three hundred ninety-six".