18041626 has 8 divisors (see below), whose sum is σ = 27466560. Its totient is φ = 8886108.

The previous prime is 18041623. The next prime is 18041663. The reversal of 18041626 is 62614081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×18041626³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18041594 and 18041603.

It is not an unprimeable number, because it can be changed into a prime (18041623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67186 + ... + 67453.

It is an arithmetic number, because the mean of its divisors is an integer number (3433320).

Almost surely, 2^18041626 is an apocalyptic number.

18041626 is a deficient number, since it is larger than the sum of its proper divisors (9424934).

18041626 is a wasteful number, since it uses less digits than its factorization.

18041626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134708.

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

The square root of 18041626 is about 4247.5435253803. The cubic root of 18041626 is about 262.2760042286.

The spelling of 18041626 in words is "eighteen million, forty-one thousand, six hundred twenty-six".