11766091 has 8 divisors (see below), whose sum is σ = 12517200. Its totient is φ = 11021568.

The previous prime is 11766061. The next prime is 11766109. The reversal of 11766091 is 19066711.

11766091 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 a cyclic number.

It is not a de Polignac number, because 11766091 - 2¹⁹ = 11241803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11766031) 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, 2335 + ... + 5383.

It is an arithmetic number, because the mean of its divisors is an integer number (1564650).

Almost surely, 2^11766091 is an apocalyptic number.

11766091 is a deficient number, since it is larger than the sum of its proper divisors (751109).

11766091 is a wasteful number, since it uses less digits than its factorization.

11766091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3293.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 11766091 is about 3430.1736107667. The cubic root of 11766091 is about 227.4455273518.

The spelling of 11766091 in words is "eleven million, seven hundred sixty-six thousand, ninety-one".