18206801 has 4 divisors (see below), whose sum is σ = 18222912. Its totient is φ = 18190692.

The previous prime is 18206789. The next prime is 18206821. The reversal of 18206801 is 10860281.

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 18206801 - 2⁶ = 18206737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18206821) 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, 6221 + ... + 8666.

It is an arithmetic number, because the mean of its divisors is an integer number (4555728).

Almost surely, 2^18206801 is an apocalyptic number.

It is an amenable number.

18206801 is a deficient number, since it is larger than the sum of its proper divisors (16111).

18206801 is a wasteful number, since it uses less digits than its factorization.

18206801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16110.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 18206801 is about 4266.9428165843. The cubic root of 18206801 is about 263.0739718772.

The spelling of 18206801 in words is "eighteen million, two hundred six thousand, eight hundred one".