16753391999 has 8 divisors (see below), whose sum is σ = 17904671568. Its totient is φ = 15620533120.

The previous prime is 16753391939. The next prime is 16753392001. The reversal of 16753391999 is 99919335761.

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 16753391999 - 2¹⁶ = 16753326463 is a prime.

It is a super-2 number, since 2×16753391999² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16753391939) 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, 4603292 + ... + 4606929.

It is an arithmetic number, because the mean of its divisors is an integer number (2238083946).

Almost surely, 2^16753391999 is an apocalyptic number.

16753391999 is a deficient number, since it is larger than the sum of its proper divisors (1151279569).

16753391999 is a wasteful number, since it uses less digits than its factorization.

16753391999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9210345.

The product of its digits is 12400290, while the sum is 62.

The spelling of 16753391999 in words is "sixteen billion, seven hundred fifty-three million, three hundred ninety-one thousand, nine hundred ninety-nine".