28108016134 has 72 divisors (see below), whose sum is σ = 49010111640. Its totient is φ = 12078665280.

The previous prime is 28108016119. The next prime is 28108016191. The reversal of 28108016134 is 43161080182.

It is a self number, because there is not a number n which added to its sum of digits gives 28108016134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11392369 + ... + 11394835.

It is an arithmetic number, because the mean of its divisors is an integer number (680695995).

Almost surely, 2^28108016134 is an apocalyptic number.

28108016134 is a deficient number, since it is larger than the sum of its proper divisors (20902095506).

28108016134 is a wasteful number, since it uses less digits than its factorization.

28108016134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626 (or 2592 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The spelling of 28108016134 in words is "twenty-eight billion, one hundred eight million, sixteen thousand, one hundred thirty-four".