16390099 has 8 divisors (see below), whose sum is σ = 18657792. Its totient is φ = 14252040.

The previous prime is 16390097. The next prime is 16390109. The reversal of 16390099 is 99009361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16390099 - 2¹ = 16390097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16390097) 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, 32139 + ... + 32644.

It is an arithmetic number, because the mean of its divisors is an integer number (2332224).

Almost surely, 2^16390099 is an apocalyptic number.

16390099 is a deficient number, since it is larger than the sum of its proper divisors (2267693).

16390099 is a wasteful number, since it uses less digits than its factorization.

16390099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64817.

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 16390099 is about 4048.4687228630. The cubic root of 16390099 is about 254.0156798967.

The spelling of 16390099 in words is "sixteen million, three hundred ninety thousand, ninety-nine".