16399753343 has 8 divisors (see below), whose sum is σ = 16561372800. Its totient is φ = 16238757528.

The previous prime is 16399753333. The next prime is 16399753351. The reversal of 16399753343 is 34335799361.

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 16399753343 - 2⁸ = 16399753087 is a prime.

It is a super-3 number, since 3×16399753343³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16399753313) 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, 102971 + ... + 208332.

It is an arithmetic number, because the mean of its divisors is an integer number (2070171600).

Almost surely, 2^16399753343 is an apocalyptic number.

16399753343 is a deficient number, since it is larger than the sum of its proper divisors (161619457).

16399753343 is a wasteful number, since it uses less digits than its factorization.

16399753343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311821.

The product of its digits is 5511240, while the sum is 53.

The spelling of 16399753343 in words is "sixteen billion, three hundred ninety-nine million, seven hundred fifty-three thousand, three hundred forty-three".