1152610866 has 48 divisors (see below), whose sum is σ = 2744303328. Its totient is φ = 346718400.

The previous prime is 1152610859. The next prime is 1152610867. The reversal of 1152610866 is 6680162511.

It is a self number, because there is not a number n which added to its sum of digits gives 1152610866.

It is not an unprimeable number, because it can be changed into a prime (1152610867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5881 + ... + 48371.

It is an arithmetic number, because the mean of its divisors is an integer number (57172986).

Almost surely, 2^1152610866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1152610866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1372151664).

1152610866 is an abundant number, since it is smaller than the sum of its proper divisors (1591692462).

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

1152610866 is a wasteful number, since it uses less digits than its factorization.

1152610866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42647 (or 42644 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1152610866 is about 33950.1232103803. The cubic root of 1152610866 is about 1048.4818168183.

It can be divided in two parts, 1152610 and 866, that added together give a square (1153476 = 1074²).

The spelling of 1152610866 in words is "one billion, one hundred fifty-two million, six hundred ten thousand, eight hundred sixty-six".