1166763264 has 72 divisors (see below), whose sum is σ = 3212432160. Its totient is φ = 375502848.

The previous prime is 1166763263. The next prime is 1166763277. The reversal of 1166763264 is 4623676611.

It is a super-2 number, since 2×1166763264² = 2722673028439867392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166763263) 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 7 ways as a sum of consecutive naturals, for example, 3922 + ... + 48465.

Almost surely, 2^1166763264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1166763264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1606216080).

1166763264 is an abundant number, since it is smaller than the sum of its proper divisors (2045668896).

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

1166763264 is an equidigital number, since it uses as much as digits as its factorization.

1166763264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52435 (or 52421 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 1166763264 is about 34157.9165640997. The cubic root of 1166763264 is about 1052.7556532596.

The spelling of 1166763264 in words is "one billion, one hundred sixty-six million, seven hundred sixty-three thousand, two hundred sixty-four".