1169256768 has 56 divisors (see below), whose sum is σ = 3136075008. Its totient is φ = 384408576.

The previous prime is 1169256763. The next prime is 1169256779. The reversal of 1169256768 is 8676529611.

It is a super-2 number, since 2×1169256768² = 2734322779027611648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1169256768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1169256763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27696 + ... + 55727.

Almost surely, 2^1169256768 is an apocalyptic number.

It is an amenable number.

1169256768 is an abundant number, since it is smaller than the sum of its proper divisors (1966818240).

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

1169256768 is an equidigital number, since it uses as much as digits as its factorization.

1169256768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83511 (or 83501 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 1169256768 is about 34194.3967339680. The cubic root of 1169256768 is about 1053.5050719639.

The spelling of 1169256768 in words is "one billion, one hundred sixty-nine million, two hundred fifty-six thousand, seven hundred sixty-eight".