1166392806 has 32 divisors (see below), whose sum is σ = 2360237568. Its totient is φ = 384238080.

The previous prime is 1166392781. The next prime is 1166392807. The reversal of 1166392806 is 6082936611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166392807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354951 + ... + 358221.

It is an arithmetic number, because the mean of its divisors is an integer number (73757424).

Almost surely, 2^1166392806 is an apocalyptic number.

1166392806 is an abundant number, since it is smaller than the sum of its proper divisors (1193844762).

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

1166392806 is a wasteful number, since it uses less digits than its factorization.

1166392806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3956.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 1166392806 is about 34152.4934082418. The cubic root of 1166392806 is about 1052.6442216181.

The spelling of 1166392806 in words is "one billion, one hundred sixty-six million, three hundred ninety-two thousand, eight hundred six".