11920164 has 24 divisors (see below), whose sum is σ = 29023680. Its totient is φ = 3800544.

The previous prime is 11920157. The next prime is 11920199. The reversal of 11920164 is 46102911.

11920164 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21319 + ... + 21870.

It is an arithmetic number, because the mean of its divisors is an integer number (1209320).

Almost surely, 2^11920164 is an apocalyptic number.

It is an amenable number.

11920164 is an abundant number, since it is smaller than the sum of its proper divisors (17103516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11920164 is a wasteful number, since it uses less digits than its factorization.

11920164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43219 (or 43217 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 11920164 is about 3452.5590509070. The cubic root of 11920164 is about 228.4339994554.

The spelling of 11920164 in words is "eleven million, nine hundred twenty thousand, one hundred sixty-four".