16264401 has 4 divisors (see below), whose sum is σ = 21685872. Its totient is φ = 10842932.

The previous prime is 16264387. The next prime is 16264403. The reversal of 16264401 is 10446261.

16264401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 16264401 - 2⁶ = 16264337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16264403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2710731 + ... + 2710736.

It is an arithmetic number, because the mean of its divisors is an integer number (5421468).

Almost surely, 2^16264401 is an apocalyptic number.

It is an amenable number.

16264401 is a deficient number, since it is larger than the sum of its proper divisors (5421471).

16264401 is an equidigital number, since it uses as much as digits as its factorization.

16264401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5421470.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 16264401 is about 4032.9147027925. The cubic root of 16264401 is about 253.3646519837.

The spelling of 16264401 in words is "sixteen million, two hundred sixty-four thousand, four hundred one".