1156789368 has 96 divisors (see below), whose sum is σ = 3631080960. Its totient is φ = 325846080.

The previous prime is 1156789339. The next prime is 1156789379. The reversal of 1156789368 is 8639876511.

1156789368 is a `hidden beast` number, since 11 + 567 + 8 + 9 + 3 + 68 = 666.

It is a super-3 number, since 3×1156789368³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19621 + ... + 51947.

It is an arithmetic number, because the mean of its divisors is an integer number (37823760).

Almost surely, 2^1156789368 is an apocalyptic number.

1156789368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1156789368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1815540480).

1156789368 is an abundant number, since it is smaller than the sum of its proper divisors (2474291592).

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

1156789368 is a wasteful number, since it uses less digits than its factorization.

1156789368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32417 (or 32410 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 1156789368 is about 34011.6063719431. The cubic root of 1156789368 is about 1049.7472915653.

The spelling of 1156789368 in words is "one billion, one hundred fifty-six million, seven hundred eighty-nine thousand, three hundred sixty-eight".