1161306616 has 32 divisors (see below), whose sum is σ = 2289513600. Its totient is φ = 551156320.

The previous prime is 1161306607. The next prime is 1161306623. The reversal of 1161306616 is 6166031611.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15 + ... + 48193.

It is an arithmetic number, because the mean of its divisors is an integer number (71547300).

Almost surely, 2^1161306616 is an apocalyptic number.

It is an amenable number.

1161306616 is a deficient number, since it is larger than the sum of its proper divisors (1128206984).

1161306616 is a wasteful number, since it uses less digits than its factorization.

1161306616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48339 (or 48335 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1161306616 is about 34077.9491166942. The cubic root of 1161306616 is about 1051.1119334777. Note that the first 3 decimals are identical.

The spelling of 1161306616 in words is "one billion, one hundred sixty-one million, three hundred six thousand, six hundred sixteen".