1149386616 has 96 divisors (see below), whose sum is σ = 3562846560. Its totient is φ = 327914496.

The previous prime is 1149386593. The next prime is 1149386639. The reversal of 1149386616 is 6166839411.

It is an interprime number because it is at equal distance from previous prime (1149386593) and next prime (1149386639).

It is a nude number because it is divisible by every one of its digits.

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, 479116 + ... + 481508.

It is an arithmetic number, because the mean of its divisors is an integer number (37112985).

Almost surely, 2^1149386616 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 1149386616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1781423280).

1149386616 is an abundant number, since it is smaller than the sum of its proper divisors (2413459944).

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

1149386616 is a wasteful number, since it uses less digits than its factorization.

1149386616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365 (or 3358 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 1149386616 is about 33902.6048556744. The cubic root of 1149386616 is about 1047.5032487373.

The spelling of 1149386616 in words is "one billion, one hundred forty-nine million, three hundred eighty-six thousand, six hundred sixteen".