16335564323 has 4 divisors (see below), whose sum is σ = 17592146208. Its totient is φ = 15078982440.

The previous prime is 16335564257. The next prime is 16335564347. The reversal of 16335564323 is 32346553361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16335564323 - 2⁸ = 16335564067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16335560323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628290923 + ... + 628290948.

It is an arithmetic number, because the mean of its divisors is an integer number (4398036552).

Almost surely, 2^16335564323 is an apocalyptic number.

16335564323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16335564323 is a deficient number, since it is larger than the sum of its proper divisors (1256581885).

16335564323 is a wasteful number, since it uses less digits than its factorization.

16335564323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256581884.

The product of its digits is 583200, while the sum is 41.

The spelling of 16335564323 in words is "sixteen billion, three hundred thirty-five million, five hundred sixty-four thousand, three hundred twenty-three".