1168621056 has 60 divisors (see below), whose sum is σ = 3372732792. Its totient is φ = 389538816.

The previous prime is 1168621039. The next prime is 1168621057. The reversal of 1168621056 is 6501268611.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1168621056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1168621057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122196 + ... + 131411.

Almost surely, 2^1168621056 is an apocalyptic number.

1168621056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1168621056 is an abundant number, since it is smaller than the sum of its proper divisors (2204111736).

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

1168621056 is an equidigital number, since it uses as much as digits as its factorization.

1168621056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253631 (or 253612 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1168621056 is about 34185.0999120962. The cubic root of 1168621056 is about 1053.3141109918.

Adding to 1168621056 its reverse (6501268611), we get a palindrome (7669889667).

The spelling of 1168621056 in words is "one billion, one hundred sixty-eight million, six hundred twenty-one thousand, fifty-six".