18826101 has 20 divisors (see below), whose sum is σ = 32141472. Its totient is φ = 10757448.

The previous prime is 18826091. The next prime is 18826103. The reversal of 18826101 is 10162881.

It is not a de Polignac number, because 18826101 - 2⁵ = 18826069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18826103) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16035 + ... + 17168.

Almost surely, 2^18826101 is an apocalyptic number.

It is an amenable number.

18826101 is a deficient number, since it is larger than the sum of its proper divisors (13315371).

18826101 is an equidigital number, since it uses as much as digits as its factorization.

18826101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33222 (or 33213 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 18826101 is about 4338.9055071527. The cubic root of 18826101 is about 266.0235765938.

Adding to 18826101 its reverse (10162881), we get a palindrome (28988982).

The spelling of 18826101 in words is "eighteen million, eight hundred twenty-six thousand, one hundred one".