18854066 has 32 divisors (see below), whose sum is σ = 36799488. Its totient is φ = 7025040.

The previous prime is 18854051. The next prime is 18854093. The reversal of 18854066 is 66045881.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 881 + ... + 6203.

It is an arithmetic number, because the mean of its divisors is an integer number (1149984).

Almost surely, 2^18854066 is an apocalyptic number.

18854066 is a deficient number, since it is larger than the sum of its proper divisors (17945422).

18854066 is a wasteful number, since it uses less digits than its factorization.

18854066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5366.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 18854066 is about 4342.1268981917. The cubic root of 18854066 is about 266.1552319092.

The spelling of 18854066 in words is "eighteen million, eight hundred fifty-four thousand, sixty-six".