16789251804 has 48 divisors (see below), whose sum is σ = 42196611072. Its totient is φ = 5164915392.

The previous prime is 16789251779. The next prime is 16789251821. The reversal of 16789251804 is 40815298761.

It is a super-2 number, since 2×16789251804² (a number of 21 digits) contains 22 as substring.

It is a congruent 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, 1376557 + ... + 1388699.

It is an arithmetic number, because the mean of its divisors is an integer number (879096064).

Almost surely, 2^16789251804 is an apocalyptic number.

It is an amenable number.

16789251804 is an abundant number, since it is smaller than the sum of its proper divisors (25407359268).

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

16789251804 is a wasteful number, since it uses less digits than its factorization.

16789251804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21026 (or 21024 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 16789251804 in words is "sixteen billion, seven hundred eighty-nine million, two hundred fifty-one thousand, eight hundred four".