16481433599 has 8 divisors (see below), whose sum is σ = 16714516752. Its totient is φ = 16248548160.

The previous prime is 16481433593. The next prime is 16481433607. The reversal of 16481433599 is 99533418461.

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 16481433599 - 2²⁰ = 16480385023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16481433599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16481433593) 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, 122672 + ... + 219114.

It is an arithmetic number, because the mean of its divisors is an integer number (2089314594).

Almost surely, 2^16481433599 is an apocalyptic number.

16481433599 is a deficient number, since it is larger than the sum of its proper divisors (233083153).

16481433599 is an equidigital number, since it uses as much as digits as its factorization.

16481433599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98857.

The product of its digits is 2799360, while the sum is 53.

The spelling of 16481433599 in words is "sixteen billion, four hundred eighty-one million, four hundred thirty-three thousand, five hundred ninety-nine".