16696136637539 has 8 divisors (see below), whose sum is σ = 17159830594560. Its totient is φ = 16238751442056.

The previous prime is 16696136637529. The next prime is 16696136637547. The reversal of 16696136637539 is 93573663169661.

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 16696136637539 - 2²⁴ = 16696119860323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16696136637529) 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, 1577185019 + ... + 1577195604.

It is an arithmetic number, because the mean of its divisors is an integer number (2144978824320).

Almost surely, 2^{16696136637539} is an apocalyptic number.

16696136637539 is a deficient number, since it is larger than the sum of its proper divisors (463693957021).

16696136637539 is an equidigital number, since it uses as much as digits as its factorization.

16696136637539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154380769.

The product of its digits is 595213920, while the sum is 71.

The spelling of 16696136637539 in words is "sixteen trillion, six hundred ninety-six billion, one hundred thirty-six million, six hundred thirty-seven thousand, five hundred thirty-nine".