16069865 has 16 divisors (see below), whose sum is σ = 22457088. Its totient is φ = 10810176.

The previous prime is 16069861. The next prime is 16069891. The reversal of 16069865 is 56896061.

It is a cyclic number.

It is not a de Polignac number, because 16069865 - 2² = 16069861 is a prime.

It is a super-2 number, since 2×16069865² = 516481122236450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16069861) 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, 2477 + ... + 6186.

It is an arithmetic number, because the mean of its divisors is an integer number (1403568).

Almost surely, 2^16069865 is an apocalyptic number.

It is an amenable number.

16069865 is a deficient number, since it is larger than the sum of its proper divisors (6387223).

16069865 is an equidigital number, since it uses as much as digits as its factorization.

16069865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8728.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 16069865 is about 4008.7236123235. The cubic root of 16069865 is about 252.3504456987.

The spelling of 16069865 in words is "sixteen million, sixty-nine thousand, eight hundred sixty-five".