16988299 has 6 divisors (see below), whose sum is σ = 17929860. Its totient is φ = 16093836.

The previous prime is 16988281. The next prime is 16988303. The reversal of 16988299 is 99288961.

It is not a de Polignac number, because 16988299 - 2¹¹ = 16986251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16988399) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23169 + ... + 23890.

It is an arithmetic number, because the mean of its divisors is an integer number (2988310).

Almost surely, 2^16988299 is an apocalyptic number.

16988299 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16988299 is a deficient number, since it is larger than the sum of its proper divisors (941561).

16988299 is an equidigital number, since it uses as much as digits as its factorization.

16988299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47097 (or 47078 counting only the distinct ones).

The product of its digits is 559872, while the sum is 52.

The square root of 16988299 is about 4121.6864266948. The cubic root of 16988299 is about 257.0691522593.

The spelling of 16988299 in words is "sixteen million, nine hundred eighty-eight thousand, two hundred ninety-nine".