1160643156 has 12 divisors (see below), whose sum is σ = 2708167392. Its totient is φ = 386881048.

The previous prime is 1160643151. The next prime is 1160643161. The reversal of 1160643156 is 6513460611.

It is an interprime number because it is at equal distance from previous prime (1160643151) and next prime (1160643161).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1160643151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48360120 + ... + 48360143.

It is an arithmetic number, because the mean of its divisors is an integer number (225680616).

Almost surely, 2^1160643156 is an apocalyptic number.

It is an amenable number.

1160643156 is an abundant number, since it is smaller than the sum of its proper divisors (1547524236).

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

1160643156 is a wasteful number, since it uses less digits than its factorization.

1160643156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96720270 (or 96720268 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1160643156 is about 34068.2132786561. The cubic root of 1160643156 is about 1050.9117269289.

The spelling of 1160643156 in words is "one billion, one hundred sixty million, six hundred forty-three thousand, one hundred fifty-six".