16704716651 has 8 divisors (see below), whose sum is σ = 19236839424. Its totient is φ = 14209027560.

The previous prime is 16704716627. The next prime is 16704716659. The reversal of 16704716651 is 15661740761.

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

It is a de Polignac number, because none of the positive numbers 2^k-16704716651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16704716659) 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, 9107435 + ... + 9109268.

It is an arithmetic number, because the mean of its divisors is an integer number (2404604928).

Almost surely, 2^16704716651 is an apocalyptic number.

16704716651 is a deficient number, since it is larger than the sum of its proper divisors (2532122773).

16704716651 is a wasteful number, since it uses less digits than its factorization.

16704716651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18216841.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 16704716651 in words is "sixteen billion, seven hundred four million, seven hundred sixteen thousand, six hundred fifty-one".