11920166 has 4 divisors (see below), whose sum is σ = 17880252. Its totient is φ = 5960082.

The previous prime is 11920157. The next prime is 11920199. The reversal of 11920166 is 66102911.

It is a semiprime because it is the product of two primes.

It is a congruent 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 as a sum of consecutive naturals, namely, 2980040 + ... + 2980043.

It is an arithmetic number, because the mean of its divisors is an integer number (4470063).

Almost surely, 2^11920166 is an apocalyptic number.

11920166 is a deficient number, since it is larger than the sum of its proper divisors (5960086).

11920166 is an equidigital number, since it uses as much as digits as its factorization.

11920166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5960085.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 11920166 is about 3452.5593405472. The cubic root of 11920166 is about 228.4340122312.

The spelling of 11920166 in words is "eleven million, nine hundred twenty thousand, one hundred sixty-six".