18088010 has 8 divisors (see below), whose sum is σ = 32558436. Its totient is φ = 7235200.

The previous prime is 18087991. The next prime is 18088027. The reversal of 18088010 is 1088081.

It is a Cunningham number, because it is equal to 4253²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 18088009 + 1 = 4253^2 + 1^2 .

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

It is a super-2 number, since 2×18088010² = 654352211520200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 904391 + ... + 904410.

Almost surely, 2^18088010 is an apocalyptic number.

18088010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18088010 is a deficient number, since it is larger than the sum of its proper divisors (14470426).

18088010 is a wasteful number, since it uses less digits than its factorization.

18088010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808808.

The product of its (nonzero) digits is 512, while the sum is 26.

The square root of 18088010 is about 4253.0001175641. Note that the first 3 decimals coincide. The cubic root of 18088010 is about 262.5005774742.

The spelling of 18088010 in words is "eighteen million, eighty-eight thousand, ten".