16904787494 has 8 divisors (see below), whose sum is σ = 28979635728. Its totient is φ = 7244908920.

The previous prime is 16904787479. The next prime is 16904787517. The reversal of 16904787494 is 49478740961.

It is a happy number.

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

It is a congruent number.

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, 603742397 + ... + 603742424.

It is an arithmetic number, because the mean of its divisors is an integer number (3622454466).

Almost surely, 2^16904787494 is an apocalyptic number.

16904787494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16904787494 is a deficient number, since it is larger than the sum of its proper divisors (12074848234).

16904787494 is a wasteful number, since it uses less digits than its factorization.

16904787494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207484830.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 16904787494 in words is "sixteen billion, nine hundred four million, seven hundred eighty-seven thousand, four hundred ninety-four".