16426801 has 4 divisors (see below), whose sum is σ = 16495204. Its totient is φ = 16358400.

The previous prime is 16426799. The next prime is 16426831. The reversal of 16426801 is 10862461.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12967201 + 3459600 = 3601^2 + 1860^2 .

It is a cyclic number.

It is not a de Polignac number, because 16426801 - 2¹ = 16426799 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 16426801.

It is not an unprimeable number, because it can be changed into a prime (16426831) 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, 33840 + ... + 34321.

It is an arithmetic number, because the mean of its divisors is an integer number (4123801).

Almost surely, 2^16426801 is an apocalyptic number.

It is an amenable number.

16426801 is a deficient number, since it is larger than the sum of its proper divisors (68403).

16426801 is an equidigital number, since it uses as much as digits as its factorization.

16426801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68402.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 16426801 is about 4052.9990130766. Note that the first 3 decimals coincide. The cubic root of 16426801 is about 254.2051425165.

The spelling of 16426801 in words is "sixteen million, four hundred twenty-six thousand, eight hundred one".