16364661 has 12 divisors (see below), whose sum is σ = 22815072. Its totient is φ = 10414008.

The previous prime is 16364641. The next prime is 16364669. The reversal of 16364661 is 16646361.

It is not a de Polignac number, because 16364661 - 2⁷ = 16364533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16364669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33360 + ... + 33846.

It is an arithmetic number, because the mean of its divisors is an integer number (1901256).

Almost surely, 2^16364661 is an apocalyptic number.

It is an amenable number.

16364661 is a deficient number, since it is larger than the sum of its proper divisors (6450411).

16364661 is an frugal number, since it uses more digits than its factorization.

16364661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000 (or 513 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 16364661 is about 4045.3258212411. The cubic root of 16364661 is about 253.8841981476.

The spelling of 16364661 in words is "sixteen million, three hundred sixty-four thousand, six hundred sixty-one".