16349923384 has 8 divisors (see below), whose sum is σ = 30656106360. Its totient is φ = 8174961688.

The previous prime is 16349923351. The next prime is 16349923393. The reversal of 16349923384 is 48332994361.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×16349923384² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021870204 + ... + 1021870219.

It is an arithmetic number, because the mean of its divisors is an integer number (3832013295).

Almost surely, 2^16349923384 is an apocalyptic number.

It is an amenable number.

16349923384 is a deficient number, since it is larger than the sum of its proper divisors (14306182976).

16349923384 is a wasteful number, since it uses less digits than its factorization.

16349923384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043740429 (or 2043740425 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 52.

The spelling of 16349923384 in words is "sixteen billion, three hundred forty-nine million, nine hundred twenty-three thousand, three hundred eighty-four".