1147636616 has 64 divisors (see below), whose sum is σ = 2574581760. Its totient is φ = 469224000.

The previous prime is 1147636597. The next prime is 1147636619. The reversal of 1147636616 is 6166367411.

It is not an unprimeable number, because it can be changed into a prime (1147636619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118601 + ... + 127911.

It is an arithmetic number, because the mean of its divisors is an integer number (40227840).

Almost surely, 2^1147636616 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 1147636616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1287290880).

1147636616 is an abundant number, since it is smaller than the sum of its proper divisors (1426945144).

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

1147636616 is a wasteful number, since it uses less digits than its factorization.

1147636616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9426 (or 9422 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 1147636616 is about 33876.7857979472. The cubic root of 1147636616 is about 1046.9713529149.

The spelling of 1147636616 in words is "one billion, one hundred forty-seven million, six hundred thirty-six thousand, six hundred sixteen".