11166947 has 8 divisors (see below), whose sum is σ = 12222912. Its totient is φ = 10117800.

The previous prime is 11166923. The next prime is 11167027. The reversal of 11166947 is 74966111.

11166947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11166947 - 2¹⁶ = 11101411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11166917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2108 + ... + 5174.

It is an arithmetic number, because the mean of its divisors is an integer number (1527864).

Almost surely, 2^11166947 is an apocalyptic number.

11166947 is a deficient number, since it is larger than the sum of its proper divisors (1055965).

11166947 is a wasteful number, since it uses less digits than its factorization.

11166947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409.

The product of its digits is 9072, while the sum is 35.

The square root of 11166947 is about 3341.6982209649. The cubic root of 11166947 is about 223.5174761578.

The spelling of 11166947 in words is "eleven million, one hundred sixty-six thousand, nine hundred forty-seven".