16465133 has 4 divisors (see below), whose sum is σ = 16473408. Its totient is φ = 16456860.

The previous prime is 16465093. The next prime is 16465151. The reversal of 16465133 is 33156461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 33156461 = 13 ⋅2550497.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16465133 is a prime.

It is a super-2 number, since 2×16465133² = 542201209415378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16465096 and 16465105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16465193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860 + ... + 5802.

It is an arithmetic number, because the mean of its divisors is an integer number (4118352).

Almost surely, 2^16465133 is an apocalyptic number.

It is an amenable number.

16465133 is a deficient number, since it is larger than the sum of its proper divisors (8275).

16465133 is an equidigital number, since it uses as much as digits as its factorization.

16465133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8274.

The product of its digits is 6480, while the sum is 29.

The square root of 16465133 is about 4057.7251015809. The cubic root of 16465133 is about 254.4027184568.

The spelling of 16465133 in words is "sixteen million, four hundred sixty-five thousand, one hundred thirty-three".