16465965 has 16 divisors (see below), whose sum is σ = 26718336. Its totient is φ = 8657600.

The previous prime is 16465963. The next prime is 16465973. The reversal of 16465965 is 56956461.

16465965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16465965 - 2¹ = 16465963 is a prime.

It is a super-2 number, since 2×16465965² = 542256006762450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16465961) 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, 6666 + ... + 8795.

It is an arithmetic number, because the mean of its divisors is an integer number (1669896).

Almost surely, 2^16465965 is an apocalyptic number.

16465965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16465965 is a deficient number, since it is larger than the sum of its proper divisors (10252371).

16465965 is a wasteful number, since it uses less digits than its factorization.

16465965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15540.

The product of its digits is 194400, while the sum is 42.

The square root of 16465965 is about 4057.8276207843. The cubic root of 16465965 is about 254.4070034611.

The spelling of 16465965 in words is "sixteen million, four hundred sixty-five thousand, nine hundred sixty-five".