18010630 has 16 divisors (see below), whose sum is σ = 35366544. Its totient is φ = 6549280.

The previous prime is 18010627. The next prime is 18010631. The reversal of 18010630 is 3601081.

It is a junction number, because it is equal to n+sod(n) for n = 18010598 and 18010607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18010631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81757 + ... + 81976.

It is an arithmetic number, because the mean of its divisors is an integer number (2210409).

Almost surely, 2^18010630 is an apocalyptic number.

18010630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18010630 is a deficient number, since it is larger than the sum of its proper divisors (17355914).

18010630 is a wasteful number, since it uses less digits than its factorization.

18010630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163751.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 18010630 is about 4243.8932597322. The cubic root of 18010630 is about 262.1257190483.

The spelling of 18010630 in words is "eighteen million, ten thousand, six hundred thirty".