16996369 has 8 divisors (see below), whose sum is σ = 18604712. Its totient is φ = 15431040.

The previous prime is 16996363. The next prime is 16996403. The reversal of 16996369 is 96369961.

It can be written as a sum of positive squares in 4 ways, for example, as 2073600 + 14922769 = 1440^2 + 3863^2 .

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 16996369 - 2³ = 16996361 is a prime.

It is a super-2 number, since 2×16996369² = 577753118368322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16996361) 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, 9924 + ... + 11509.

It is an arithmetic number, because the mean of its divisors is an integer number (2325589).

Almost surely, 2^16996369 is an apocalyptic number.

It is an amenable number.

16996369 is a deficient number, since it is larger than the sum of its proper divisors (1608343).

16996369 is a wasteful number, since it uses less digits than its factorization.

16996369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21507.

The product of its digits is 472392, while the sum is 49.

The square root of 16996369 is about 4122.6652786759. The cubic root of 16996369 is about 257.1098512457.

The spelling of 16996369 in words is "sixteen million, nine hundred ninety-six thousand, three hundred sixty-nine".