18960166 has 4 divisors (see below), whose sum is σ = 28440252. Its totient is φ = 9480082.

The previous prime is 18960143. The next prime is 18960199. The reversal of 18960166 is 66106981.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66106981 = 61 ⋅1083721.

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 as a sum of consecutive naturals, namely, 4740040 + ... + 4740043.

It is an arithmetic number, because the mean of its divisors is an integer number (7110063).

Almost surely, 2^18960166 is an apocalyptic number.

18960166 is a deficient number, since it is larger than the sum of its proper divisors (9480086).

18960166 is an equidigital number, since it uses as much as digits as its factorization.

18960166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9480085.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 18960166 is about 4354.3272729550. The cubic root of 18960166 is about 266.6535552581.

The spelling of 18960166 in words is "eighteen million, nine hundred sixty thousand, one hundred sixty-six".