18068265 has 28 divisors (see below), whose sum is σ = 32514564. Its totient is φ = 9634464.

The previous prime is 18068251. The next prime is 18068279. The reversal of 18068265 is 56286081.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18068251) and next prime (18068279).

It can be written as a sum of positive squares in 2 ways, for example, as 11209104 + 6859161 = 3348^2 + 2619^2 .

It is not a de Polignac number, because 18068265 - 2⁵ = 18068233 is a prime.

It is a super-2 number, since 2×18068265² = 652924400220450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1167 + ... + 6123.

Almost surely, 2^18068265 is an apocalyptic number.

18068265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18068265 is a deficient number, since it is larger than the sum of its proper divisors (14446299).

18068265 is an frugal number, since it uses more digits than its factorization.

18068265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4980 (or 4965 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 18068265 is about 4250.6781811847. The cubic root of 18068265 is about 262.4050268671.

The spelling of 18068265 in words is "eighteen million, sixty-eight thousand, two hundred sixty-five".