18203068 has 24 divisors (see below), whose sum is σ = 35491680. Its totient is φ = 8111040.

The previous prime is 18203063. The next prime is 18203077. The reversal of 18203068 is 86030281.

It is a super-2 number, since 2×18203068² = 662703369225248, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18203063) 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, 4528 + ... + 7543.

It is an arithmetic number, because the mean of its divisors is an integer number (1478820).

Almost surely, 2^18203068 is an apocalyptic number.

It is an amenable number.

18203068 is a deficient number, since it is larger than the sum of its proper divisors (17288612).

18203068 is a wasteful number, since it uses less digits than its factorization.

18203068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12117 (or 12115 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 18203068 is about 4266.5053615342. The cubic root of 18203068 is about 263.0559910090.

The spelling of 18203068 in words is "eighteen million, two hundred three thousand, sixty-eight".