18841053 has 16 divisors (see below), whose sum is σ = 31320576. Its totient is φ = 9787440.

The previous prime is 18841021. The next prime is 18841061. The reversal of 18841053 is 35014881.

It is not a de Polignac number, because 18841053 - 2⁵ = 18841021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18841053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18841073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40551 + ... + 41012.

It is an arithmetic number, because the mean of its divisors is an integer number (1957536).

Almost surely, 2^18841053 is an apocalyptic number.

It is an amenable number.

18841053 is a deficient number, since it is larger than the sum of its proper divisors (12479523).

18841053 is a wasteful number, since it uses less digits than its factorization.

18841053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81584.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 18841053 is about 4340.6281803444. The cubic root of 18841053 is about 266.0939847284.

Subtracting 18841053 from its reverse (35014881), we obtain a triangular number (16173828 = T₅₆₈₇).

The spelling of 18841053 in words is "eighteen million, eight hundred forty-one thousand, fifty-three".