1180610816 has 144 divisors (see below), whose sum is σ = 2972204928. Its totient is φ = 454656000.

The previous prime is 1180610803. The next prime is 1180610831. The reversal of 1180610816 is 6180160811.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1990616 + ... + 1991208.

It is an arithmetic number, because the mean of its divisors is an integer number (20640312).

Almost surely, 2^1180610816 is an apocalyptic number.

1180610816 is a gapful number since it is divisible by the number (16) 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 1180610816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1486102464).

1180610816 is an abundant number, since it is smaller than the sum of its proper divisors (1791594112).

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

1180610816 is a wasteful number, since it uses less digits than its factorization.

1180610816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 32.

The square root of 1180610816 is about 34360.0176949896. The cubic root of 1180610816 is about 1056.9041078705.

It can be divided in two parts, 11806 and 10816, that added together give a palindrome (22622).

The spelling of 1180610816 in words is "one billion, one hundred eighty million, six hundred ten thousand, eight hundred sixteen".