18033057 has 16 divisors (see below), whose sum is σ = 30532480. Its totient is φ = 10304496.

The previous prime is 18033049. The next prime is 18033061. The reversal of 18033057 is 75033081.

It is not a de Polignac number, because 18033057 - 2³ = 18033049 is a prime.

It is a super-2 number, since 2×18033057² = 650382289530498, which contains 22 as substring.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18033057.

It is not an unprimeable number, because it can be changed into a prime (18033017) 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, 47518 + ... + 47895.

It is an arithmetic number, because the mean of its divisors is an integer number (1908280).

Almost surely, 2^18033057 is an apocalyptic number.

It is an amenable number.

18033057 is a deficient number, since it is larger than the sum of its proper divisors (12499423).

18033057 is an equidigital number, since it uses as much as digits as its factorization.

18033057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95429 (or 95423 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 18033057 is about 4246.5347049094. The cubic root of 18033057 is about 262.2344743616.

The spelling of 18033057 in words is "eighteen million, thirty-three thousand, fifty-seven".