28318167162 has 20 divisors (see below), whose sum is σ = 63453671226. Its totient is φ = 9439389000.

The previous prime is 28318167149. The next prime is 28318167187. The reversal of 28318167162 is 26176181382.

It can be written as a sum of positive squares in only one way, i.e., 25173312921 + 3144854241 = 158661^2 + 56079^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 87401589 + ... + 87401912.

Almost surely, 2^28318167162 is an apocalyptic number.

28318167162 is an abundant number, since it is smaller than the sum of its proper divisors (35135504064).

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

28318167162 is a wasteful number, since it uses less digits than its factorization.

28318167162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174803515 (or 174803506 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The spelling of 28318167162 in words is "twenty-eight billion, three hundred eighteen million, one hundred sixty-seven thousand, one hundred sixty-two".