18068455 has 16 divisors (see below), whose sum is σ = 23016960. Its totient is φ = 13586848.

The previous prime is 18068441. The next prime is 18068473. The reversal of 18068455 is 55486081.

It is a cyclic number.

It is not a de Polignac number, because 18068455 - 2²³ = 9679847 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5454 + ... + 8116.

It is an arithmetic number, because the mean of its divisors is an integer number (1438560).

Almost surely, 2^18068455 is an apocalyptic number.

18068455 is a deficient number, since it is larger than the sum of its proper divisors (4948505).

18068455 is a wasteful number, since it uses less digits than its factorization.

18068455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 18068455 is about 4250.7005305008. The cubic root of 18068455 is about 262.4059466525.

It can be divided in two parts, 180 and 68455, that added together give a triangular number (68635 = T₃₇₀).

The spelling of 18068455 in words is "eighteen million, sixty-eight thousand, four hundred fifty-five".