16385743099 has 32 divisors (see below), whose sum is σ = 19117638144. Its totient is φ = 13894298880.

The previous prime is 16385743091. The next prime is 16385743103. The reversal of 16385743099 is 99034758361.

It is not a de Polignac number, because 16385743099 - 2³ = 16385743091 is a prime.

It is a super-2 number, since 2×16385743099² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16385743091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11933577 + ... + 11934949.

It is an arithmetic number, because the mean of its divisors is an integer number (597426192).

Almost surely, 2^16385743099 is an apocalyptic number.

16385743099 is a deficient number, since it is larger than the sum of its proper divisors (2731895045).

16385743099 is a wasteful number, since it uses less digits than its factorization.

16385743099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 16385743099 in words is "sixteen billion, three hundred eighty-five million, seven hundred forty-three thousand, ninety-nine".