16269697 has 4 divisors (see below), whose sum is σ = 17226756. Its totient is φ = 15312640.

The previous prime is 16269689. The next prime is 16269703. The reversal of 16269697 is 79696261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79696261 = 37 ⋅2153953.

It can be written as a sum of positive squares in 2 ways, for example, as 12173121 + 4096576 = 3489^2 + 2024^2 .

It is a cyclic number.

It is not a de Polignac number, because 16269697 - 2³ = 16269689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16269647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478504 + ... + 478537.

It is an arithmetic number, because the mean of its divisors is an integer number (4306689).

Almost surely, 2^16269697 is an apocalyptic number.

16269697 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16269697 is a deficient number, since it is larger than the sum of its proper divisors (957059).

16269697 is an equidigital number, since it uses as much as digits as its factorization.

16269697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957058.

The product of its digits is 244944, while the sum is 46.

The square root of 16269697 is about 4033.5712464267. The cubic root of 16269697 is about 253.3921491247.

The spelling of 16269697 in words is "sixteen million, two hundred sixty-nine thousand, six hundred ninety-seven".