16904249768 has 16 divisors (see below), whose sum is σ = 36223392480. Its totient is φ = 7244678448.

The previous prime is 16904249743. The next prime is 16904249797. The reversal of 16904249768 is 86794240961.

It is a super-3 number, since 3×16904249768³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56), and also a Moran number because the ratio is a prime number: 301861603 = 16904249768 / (1 + 6 + 9 + 0 + 4 + 2 + 4 + 9 + 7 + 6 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150930746 + ... + 150930857.

It is an arithmetic number, because the mean of its divisors is an integer number (2263962030).

Almost surely, 2^16904249768 is an apocalyptic number.

It is an amenable number.

16904249768 is an abundant number, since it is smaller than the sum of its proper divisors (19319142712).

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

16904249768 is a wasteful number, since it uses less digits than its factorization.

16904249768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301861616 (or 301861612 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 16904249768 in words is "sixteen billion, nine hundred four million, two hundred forty-nine thousand, seven hundred sixty-eight".