18361010 has 16 divisors (see below), whose sum is σ = 33146496. Its totient is φ = 7322928.

The previous prime is 18360997. The next prime is 18361051. The reversal of 18361010 is 1016381.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1169 + ... + 6171.

It is an arithmetic number, because the mean of its divisors is an integer number (2071656).

Almost surely, 2^18361010 is an apocalyptic number.

18361010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18361010 is a deficient number, since it is larger than the sum of its proper divisors (14785486).

18361010 is a wasteful number, since it uses less digits than its factorization.

18361010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5377.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 18361010 is about 4284.9749124120. The cubic root of 18361010 is about 263.8146177113.

Adding to 18361010 its reverse (1016381), we get a palindrome (19377391).

The spelling of 18361010 in words is "eighteen million, three hundred sixty-one thousand, ten".