1156316616 has 192 divisors, whose sum is σ = 3979422720. Its totient is φ = 295073280.

The previous prime is 1156316599. The next prime is 1156316641. The reversal of 1156316616 is 6166136511.

1156316616 is a `hidden beast` number, since 1 + 1 + 5 + 6 + 31 + 6 + 616 = 666.

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 47 ways as a sum of consecutive naturals, for example, 200266 + ... + 205958.

It is an arithmetic number, because the mean of its divisors is an integer number (20726160).

Almost surely, 2^1156316616 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 1156316616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1989711360).

1156316616 is an abundant number, since it is smaller than the sum of its proper divisors (2823106104).

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

1156316616 is a wasteful number, since it uses less digits than its factorization.

1156316616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5756 (or 5749 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 1156316616 is about 34004.6557988755. The cubic root of 1156316616 is about 1049.6042699213.

The spelling of 1156316616 in words is "one billion, one hundred fifty-six million, three hundred sixteen thousand, six hundred sixteen".