1166399234 has 48 divisors (see below), whose sum is σ = 2391088896. Its totient is φ = 419479200.

The previous prime is 1166399233. The next prime is 1166399237. The reversal of 1166399234 is 4329936611.

It is not an unprimeable number, because it can be changed into a prime (1166399233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27602 + ... + 55629.

It is an arithmetic number, because the mean of its divisors is an integer number (49814352).

Almost surely, 2^1166399234 is an apocalyptic number.

1166399234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1166399234 is an abundant number, since it is smaller than the sum of its proper divisors (1224689662).

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

1166399234 is a wasteful number, since it uses less digits than its factorization.

1166399234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83271 (or 83264 counting only the distinct ones).

The product of its digits is 209952, while the sum is 44.

The square root of 1166399234 is about 34152.5875154431. The cubic root of 1166399234 is about 1052.6461553247.

The spelling of 1166399234 in words is "one billion, one hundred sixty-six million, three hundred ninety-nine thousand, two hundred thirty-four".