1166289264 has 60 divisors (see below), whose sum is σ = 3730277616. Its totient is φ = 333225216.

The previous prime is 1166289253. The next prime is 1166289269. The reversal of 1166289264 is 4629826611.

1166289264 is a `hidden beast` number, since 1 + 16 + 628 + 9 + 2 + 6 + 4 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166289269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 577509 + ... + 579524.

Almost surely, 2^1166289264 is an apocalyptic number.

1166289264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1166289264 is an abundant number, since it is smaller than the sum of its proper divisors (2563988352).

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

1166289264 is a wasteful number, since it uses less digits than its factorization.

1166289264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157054 (or 1157045 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 1166289264 is about 34150.9774969912. The cubic root of 1166289264 is about 1052.6130725596.

The spelling of 1166289264 in words is "one billion, one hundred sixty-six million, two hundred eighty-nine thousand, two hundred sixty-four".