18061682 has 8 divisors (see below), whose sum is σ = 27121500. Its totient is φ = 9021184.

The previous prime is 18061679. The next prime is 18061699. The reversal of 18061682 is 28616081.

It can be written as a sum of positive squares in 2 ways, for example, as 17884441 + 177241 = 4229^2 + 421^2 .

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

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, 2207 + ... + 6402.

Almost surely, 2^18061682 is an apocalyptic number.

18061682 is a deficient number, since it is larger than the sum of its proper divisors (9059818).

18061682 is a wasteful number, since it uses less digits than its factorization.

18061682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9660.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 18061682 is about 4249.9037636163. The cubic root of 18061682 is about 262.3731547399.

The spelling of 18061682 in words is "eighteen million, sixty-one thousand, six hundred eighty-two".