18146630 has 16 divisors (see below), whose sum is σ = 33218640. Its totient is φ = 7135392.

The previous prime is 18146629. The next prime is 18146659. The reversal of 18146630 is 3664181.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18146593 and 18146602.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14789 + ... + 15968.

It is an arithmetic number, because the mean of its divisors is an integer number (2076165).

Almost surely, 2^18146630 is an apocalyptic number.

18146630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18146630 is a deficient number, since it is larger than the sum of its proper divisors (15072010).

18146630 is a wasteful number, since it uses less digits than its factorization.

18146630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30823.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 18146630 is about 4259.8861487134. The cubic root of 18146630 is about 262.7838441372.

The spelling of 18146630 in words is "eighteen million, one hundred forty-six thousand, six hundred thirty".