16064651 has 4 divisors (see below), whose sum is σ = 16133832. Its totient is φ = 15995472.

The previous prime is 16064639. The next prime is 16064683. The reversal of 16064651 is 15646061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16064651 - 2¹⁰ = 16063627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16064621) 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 3 ways as a sum of consecutive naturals, for example, 34241 + ... + 34706.

It is an arithmetic number, because the mean of its divisors is an integer number (4033458).

Almost surely, 2^16064651 is an apocalyptic number.

16064651 is a deficient number, since it is larger than the sum of its proper divisors (69181).

16064651 is an equidigital number, since it uses as much as digits as its factorization.

16064651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69180.

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

The square root of 16064651 is about 4008.0732278740. The cubic root of 16064651 is about 252.3231503532.

The spelling of 16064651 in words is "sixteen million, sixty-four thousand, six hundred fifty-one".