11161930 has 32 divisors (see below), whose sum is σ = 22780800. Its totient is φ = 3903552.

The previous prime is 11161921. The next prime is 11161933. The reversal of 11161930 is 3916111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11161933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211 + ... + 4729.

It is an arithmetic number, because the mean of its divisors is an integer number (711900).

Almost surely, 2^11161930 is an apocalyptic number.

11161930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11161930 is an abundant number, since it is smaller than the sum of its proper divisors (11618870).

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

11161930 is a wasteful number, since it uses less digits than its factorization.

11161930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4558.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 11161930 is about 3340.9474704042. The cubic root of 11161930 is about 223.4839977399.

The spelling of 11161930 in words is "eleven million, one hundred sixty-one thousand, nine hundred thirty".