16168869 has 16 divisors (see below), whose sum is σ = 24408000. Its totient is φ = 10574928.

The previous prime is 16168861. The next prime is 16168871. The reversal of 16168869 is 96886161.

It is a happy number.

It is not a de Polignac number, because 16168869 - 2³ = 16168861 is a prime.

It is a super-2 number, since 2×16168869² = 522864649478322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16168861) 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, 4219 + ... + 7080.

It is an arithmetic number, because the mean of its divisors is an integer number (1525500).

Almost surely, 2^16168869 is an apocalyptic number.

It is an amenable number.

16168869 is a deficient number, since it is larger than the sum of its proper divisors (8239131).

16168869 is a wasteful number, since it uses less digits than its factorization.

16168869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11361 (or 11355 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 16168869 is about 4021.0532202397. The cubic root of 16168869 is about 252.8676160147.

The spelling of 16168869 in words is "sixteen million, one hundred sixty-eight thousand, eight hundred sixty-nine".