18081026 has 8 divisors (see below), whose sum is σ = 27143424. Its totient is φ = 9033220.

The previous prime is 18081023. The next prime is 18081031. The reversal of 18081026 is 62018081.

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

It is a super-3 number, since 3×18081026³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18080986 and 18081004.

It is not an unprimeable number, because it can be changed into a prime (18081023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311 + ... + 6021.

It is an arithmetic number, because the mean of its divisors is an integer number (3392928).

Almost surely, 2^18081026 is an apocalyptic number.

18081026 is a deficient number, since it is larger than the sum of its proper divisors (9062398).

18081026 is a wasteful number, since it uses less digits than its factorization.

18081026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7296.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 18081026 is about 4252.1789708337. The cubic root of 18081026 is about 262.4667882396.

The spelling of 18081026 in words is "eighteen million, eighty-one thousand, twenty-six".