11161994 has 8 divisors (see below), whose sum is σ = 16759008. Its totient is φ = 5575660.

The previous prime is 11161993. The next prime is 11162009. The reversal of 11161994 is 49916111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11161994² = 249180220112072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11161994.

It is not an unprimeable number, because it can be changed into a prime (11161991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899 + ... + 4809.

It is an arithmetic number, because the mean of its divisors is an integer number (2094876).

Almost surely, 2^11161994 is an apocalyptic number.

11161994 is a deficient number, since it is larger than the sum of its proper divisors (5597014).

11161994 is a wasteful number, since it uses less digits than its factorization.

11161994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5340.

The product of its digits is 1944, while the sum is 32.

The square root of 11161994 is about 3340.9570485117. The cubic root of 11161994 is about 223.4844248748.

The spelling of 11161994 in words is "eleven million, one hundred sixty-one thousand, nine hundred ninety-four".