18051796 has 36 divisors (see below), whose sum is σ = 37946496. Its totient is φ = 7484400.

The previous prime is 18051793. The next prime is 18051811. The reversal of 18051796 is 69715081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18051793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4591 + ... + 7561.

Almost surely, 2^18051796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18051796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18973248).

18051796 is an abundant number, since it is smaller than the sum of its proper divisors (19894700).

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

18051796 is a wasteful number, since it uses less digits than its factorization.

18051796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020 (or 3011 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 18051796 is about 4248.7405192598. The cubic root of 18051796 is about 262.3252763199.

The spelling of 18051796 in words is "eighteen million, fifty-one thousand, seven hundred ninety-six".