18051036 has 24 divisors (see below), whose sum is σ = 42196224. Its totient is φ = 6006000.

The previous prime is 18051031. The next prime is 18051037. The reversal of 18051036 is 63015081.

18051036 is a nontrivial binomial coefficient, being equal to C(6009, 2).

It is a super-3 number, since 3×18051036³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18050997 and 18051015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18051031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8011 + ... + 10013.

It is an arithmetic number, because the mean of its divisors is an integer number (1758176).

Almost surely, 2^18051036 is an apocalyptic number.

18051036 is the 6008-th triangular number.

It is an amenable number.

18051036 is an abundant number, since it is smaller than the sum of its proper divisors (24145188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18051036 is a wasteful number, since it uses less digits than its factorization.

18051036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761 (or 2759 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 18051036 is about 4248.6510800488. The cubic root of 18051036 is about 262.3215948762.

The spelling of 18051036 in words is "eighteen million, fifty-one thousand, thirty-six".