1151623368 has 96 divisors (see below), whose sum is σ = 3597422400. Its totient is φ = 326001024.

The previous prime is 1151623357. The next prime is 1151623381. The reversal of 1151623368 is 8633261511.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 44455 + ... + 65417.

It is an arithmetic number, because the mean of its divisors is an integer number (37473150).

Almost surely, 2^1151623368 is an apocalyptic number.

1151623368 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 1151623368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1798711200).

1151623368 is an abundant number, since it is smaller than the sum of its proper divisors (2445799032).

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

1151623368 is a wasteful number, since it uses less digits than its factorization.

1151623368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21091 (or 21084 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 1151623368 is about 33935.5767300336. The cubic root of 1151623368 is about 1048.1823027460.

Adding to 1151623368 its reverse (8633261511), we get a palindrome (9784884879).

The spelling of 1151623368 in words is "one billion, one hundred fifty-one million, six hundred twenty-three thousand, three hundred sixty-eight".