1168536856 has 8 divisors (see below), whose sum is σ = 2191006620. Its totient is φ = 584268424.

The previous prime is 1168536851. The next prime is 1168536937. The reversal of 1168536856 is 6586358611.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1168536851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73033546 + ... + 73033561.

Almost surely, 2^1168536856 is an apocalyptic number.

It is an amenable number.

1168536856 is a deficient number, since it is larger than the sum of its proper divisors (1022469764).

1168536856 is a wasteful number, since it uses less digits than its factorization.

1168536856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146067113 (or 146067109 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 49.

The square root of 1168536856 is about 34183.8683592129. The cubic root of 1168536856 is about 1053.2888130340.

The spelling of 1168536856 in words is "one billion, one hundred sixty-eight million, five hundred thirty-six thousand, eight hundred fifty-six".