1161656116610 has 32 divisors (see below), whose sum is σ = 2283161235264. Its totient is φ = 422033176000.

The previous prime is 1161656116549. The next prime is 1161656116619. The reversal of 1161656116610 is 166116561611.

It is not an unprimeable number, because it can be changed into a prime (1161656116619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4719821 + ... + 4959840.

It is an arithmetic number, because the mean of its divisors is an integer number (71348788602).

Almost surely, 2^{1161656116610} is an apocalyptic number.

1161656116610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1161656116610 is a deficient number, since it is larger than the sum of its proper divisors (1121505118654).

1161656116610 is a wasteful number, since it uses less digits than its factorization.

1161656116610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9680770.

The product of its (nonzero) digits is 38880, while the sum is 41.

The spelling of 1161656116610 in words is "one trillion, one hundred sixty-one billion, six hundred fifty-six million, one hundred sixteen thousand, six hundred ten".