16791969 has 8 divisors (see below), whose sum is σ = 22994560. Its totient is φ = 10892016.

The previous prime is 16791967. The next prime is 16792021. The reversal of 16791969 is 96919761.

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

It is not a de Polignac number, because 16791969 - 2¹ = 16791967 is a prime.

It is a super-2 number, since 2×16791969² = 563940445793922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16791967) 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, 75529 + ... + 75750.

It is an arithmetic number, because the mean of its divisors is an integer number (2874320).

Almost surely, 2^16791969 is an apocalyptic number.

It is an amenable number.

16791969 is a deficient number, since it is larger than the sum of its proper divisors (6202591).

16791969 is a wasteful number, since it uses less digits than its factorization.

16791969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151319.

The product of its digits is 183708, while the sum is 48.

The square root of 16791969 is about 4097.8005075894. The cubic root of 16791969 is about 256.0750156544.

The spelling of 16791969 in words is "sixteen million, seven hundred ninety-one thousand, nine hundred sixty-nine".