16969799 has 16 divisors (see below), whose sum is σ = 21454080. Its totient is φ = 13037760.

The previous prime is 16969787. The next prime is 16969801. The reversal of 16969799 is 99796961.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16969799 - 2⁴ = 16969783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16969499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4112 + ... + 7130.

It is an arithmetic number, because the mean of its divisors is an integer number (1340880).

Almost surely, 2^16969799 is an apocalyptic number.

16969799 is a deficient number, since it is larger than the sum of its proper divisors (4484281).

16969799 is a wasteful number, since it uses less digits than its factorization.

16969799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110.

The product of its digits is 1653372, while the sum is 56.

The square root of 16969799 is about 4119.4415883709. The cubic root of 16969799 is about 256.9758035631.

The spelling of 16969799 in words is "sixteen million, nine hundred sixty-nine thousand, seven hundred ninety-nine".