1155168368 has 40 divisors (see below), whose sum is σ = 2321518080. Its totient is φ = 556174080.

The previous prime is 1155168347. The next prime is 1155168389. The reversal of 1155168368 is 8638615511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1155168347) and next prime (1155168389).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181073 + ... + 187343.

It is an arithmetic number, because the mean of its divisors is an integer number (58037952).

Almost surely, 2^1155168368 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 1155168368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1160759040).

1155168368 is an abundant number, since it is smaller than the sum of its proper divisors (1166349712).

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

1155168368 is a wasteful number, since it uses less digits than its factorization.

1155168368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6705 (or 6699 counting only the distinct ones).

The product of its digits is 172800, while the sum is 44.

The square root of 1155168368 is about 33987.7679172964. The cubic root of 1155168368 is about 1049.2567280977.

The spelling of 1155168368 in words is "one billion, one hundred fifty-five million, one hundred sixty-eight thousand, three hundred sixty-eight".