1168685955 has 16 divisors (see below), whose sum is σ = 2077664160. Its totient is φ = 623299104.

The previous prime is 1168685951. The next prime is 1168685963. The reversal of 1168685955 is 5595868611.

It is not a de Polignac number, because 1168685955 - 2² = 1168685951 is a prime.

It is a super-2 number, since 2×1168685955² = 2731653722828524050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1168685951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4328332 + ... + 4328601.

It is an arithmetic number, because the mean of its divisors is an integer number (129854010).

Almost surely, 2^1168685955 is an apocalyptic number.

1168685955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1168685955 is a deficient number, since it is larger than the sum of its proper divisors (908978205).

1168685955 is an equidigital number, since it uses as much as digits as its factorization.

1168685955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8656947 (or 8656941 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 54.

The square root of 1168685955 is about 34186.0491282628. The cubic root of 1168685955 is about 1053.3336091193. Note that the first 3 decimals are identical.

The spelling of 1168685955 in words is "one billion, one hundred sixty-eight million, six hundred eighty-five thousand, nine hundred fifty-five".