1166344407 has 16 divisors (see below), whose sum is σ = 1728698880. Its totient is φ = 777211416.

The previous prime is 1166344379. The next prime is 1166344423. The reversal of 1166344407 is 7044436611.

1166344407 is a `hidden beast` number, since 1 + 16 + 634 + 4 + 4 + 0 + 7 = 666.

It is not a de Polignac number, because 1166344407 - 2¹⁰ = 1166343383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166344307) 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, 60168 + ... + 77154.

It is an arithmetic number, because the mean of its divisors is an integer number (108043680).

Almost surely, 2^1166344407 is an apocalyptic number.

1166344407 is a deficient number, since it is larger than the sum of its proper divisors (562354473).

1166344407 is a wasteful number, since it uses less digits than its factorization.

1166344407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19539 (or 19533 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 1166344407 is about 34151.7848289076. The cubic root of 1166344407 is about 1052.6296617339.

The spelling of 1166344407 in words is "one billion, one hundred sixty-six million, three hundred forty-four thousand, four hundred seven".