16016465 has 16 divisors (see below), whose sum is σ = 20690640. Its totient is φ = 11857920.

The previous prime is 16016461. The next prime is 16016471. The reversal of 16016465 is 56461061.

It can be written as a sum of positive squares in 8 ways, for example, as 8464 + 16008001 = 92^2 + 4001^2 .

It is not a de Polignac number, because 16016465 - 2² = 16016461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16016461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3641 + ... + 6729.

It is an arithmetic number, because the mean of its divisors is an integer number (1293165).

Almost surely, 2^16016465 is an apocalyptic number.

It is an amenable number.

16016465 is a deficient number, since it is larger than the sum of its proper divisors (4674175).

16016465 is a wasteful number, since it uses less digits than its factorization.

16016465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 16016465 is about 4002.0575957874. The cubic root of 16016465 is about 252.0706161803.

The spelling of 16016465 in words is "sixteen million, sixteen thousand, four hundred sixty-five".