16490904299 has 4 divisors (see below), whose sum is σ = 16595942064. Its totient is φ = 16385866536.

The previous prime is 16490904293. The next prime is 16490904319. The reversal of 16490904299 is 99240909461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99240909461 = 43 ⋅2307928127.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16490904299 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 16490904299.

It is not an unprimeable number, because it can be changed into a prime (16490904293) 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, 52518647 + ... + 52518960.

It is an arithmetic number, because the mean of its divisors is an integer number (4148985516).

Almost surely, 2^16490904299 is an apocalyptic number.

16490904299 is a deficient number, since it is larger than the sum of its proper divisors (105037765).

16490904299 is a wasteful number, since it uses less digits than its factorization.

16490904299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105037764.

The product of its (nonzero) digits is 1259712, while the sum is 53.

The spelling of 16490904299 in words is "sixteen billion, four hundred ninety million, nine hundred four thousand, two hundred ninety-nine".