16339720687293 has 16 divisors (see below), whose sum is σ = 23067924024960. Its totient is φ = 10252336851456.

The previous prime is 16339720687291. The next prime is 16339720687321. The reversal of 16339720687293 is 39278602793361.

It is not a de Polignac number, because 16339720687293 - 2¹ = 16339720687291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16339720687291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23421048 + ... + 24108606.

It is an arithmetic number, because the mean of its divisors is an integer number (1441745251560).

Almost surely, 2^{16339720687293} is an apocalyptic number.

It is an amenable number.

16339720687293 is a deficient number, since it is larger than the sum of its proper divisors (6728203337667).

16339720687293 is a wasteful number, since it uses less digits than its factorization.

16339720687293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153556.

The product of its (nonzero) digits is 123451776, while the sum is 66.

The spelling of 16339720687293 in words is "sixteen trillion, three hundred thirty-nine billion, seven hundred twenty million, six hundred eighty-seven thousand, two hundred ninety-three".