18099010 has 8 divisors (see below), whose sum is σ = 32578236. Its totient is φ = 7239600.

The previous prime is 18099007. The next prime is 18099013. The reversal of 18099010 is 1099081.

It is an interprime number because it is at equal distance from previous prime (18099007) and next prime (18099013).

It can be written as a sum of positive squares in 2 ways, for example, as 18037009 + 62001 = 4247^2 + 249^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 18099010.

It is not an unprimeable number, because it can be changed into a prime (18099013) 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, 904941 + ... + 904960.

Almost surely, 2^18099010 is an apocalyptic number.

18099010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18099010 is a deficient number, since it is larger than the sum of its proper divisors (14479226).

18099010 is a wasteful number, since it uses less digits than its factorization.

18099010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809908.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 18099010 is about 4254.2931257731. The cubic root of 18099010 is about 262.5537788530.

The spelling of 18099010 in words is "eighteen million, ninety-nine thousand, ten".