16904081929 has 8 divisors (see below), whose sum is σ = 19320226560. Its totient is φ = 14488256256.

The previous prime is 16904081881. The next prime is 16904081939. The reversal of 16904081929 is 92918040961.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16904081929 - 2³³ = 8314147337 is a prime.

It is a super-2 number, since 2×16904081929² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16904081939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47337 + ... + 189865.

It is an arithmetic number, because the mean of its divisors is an integer number (2415028320).

Almost surely, 2^16904081929 is an apocalyptic number.

It is an amenable number.

16904081929 is a deficient number, since it is larger than the sum of its proper divisors (2416144631).

16904081929 is a wasteful number, since it uses less digits than its factorization.

16904081929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159479.

The product of its (nonzero) digits is 279936, while the sum is 49.

The spelling of 16904081929 in words is "sixteen billion, nine hundred four million, eighty-one thousand, nine hundred twenty-nine".