1168143955 has 8 divisors (see below), whose sum is σ = 1529206704. Its totient is φ = 849559200.

The previous prime is 1168143947. The next prime is 1168144013. The reversal of 1168143955 is 5593418611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1168143955 - 2³ = 1168143947 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10619436 + ... + 10619545.

It is an arithmetic number, because the mean of its divisors is an integer number (191150838).

Almost surely, 2^1168143955 is an apocalyptic number.

1168143955 is a deficient number, since it is larger than the sum of its proper divisors (361062749).

1168143955 is a wasteful number, since it uses less digits than its factorization.

1168143955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21238997.

The product of its digits is 129600, while the sum is 43.

The square root of 1168143955 is about 34178.1209986740. The cubic root of 1168143955 is about 1053.1707495439.

The spelling of 1168143955 in words is "one billion, one hundred sixty-eight million, one hundred forty-three thousand, nine hundred fifty-five".