16697853932439 has 8 divisors (see below), whose sum is σ = 22278013166080. Its totient is φ = 11124798660216.

The previous prime is 16697853932341. The next prime is 16697853932471. The reversal of 16697853932439 is 93423935879661.

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

It is not a de Polignac number, because 16697853932439 - 2¹³ = 16697853924247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16697853932479) 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, 1775984869 + ... + 1775994270.

It is an arithmetic number, because the mean of its divisors is an integer number (2784751645760).

Almost surely, 2^{16697853932439} is an apocalyptic number.

16697853932439 is a deficient number, since it is larger than the sum of its proper divisors (5580159233641).

16697853932439 is a wasteful number, since it uses less digits than its factorization.

16697853932439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3551980709.

The product of its digits is 1587237120, while the sum is 75.

The spelling of 16697853932439 in words is "sixteen trillion, six hundred ninety-seven billion, eight hundred fifty-three million, nine hundred thirty-two thousand, four hundred thirty-nine".