1163214881 has 8 divisors (see below), whose sum is σ = 1188372480. Its totient is φ = 1138318272.

The previous prime is 1163214859. The next prime is 1163214883. The reversal of 1163214881 is 1884123611.

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

It is a cyclic number.

It is not a de Polignac number, because 1163214881 - 2²⁶ = 1096106017 is a prime.

It is a super-2 number, since 2×1163214881² = 2706137718759688322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1163214883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56225 + ... + 74078.

It is an arithmetic number, because the mean of its divisors is an integer number (148546560).

Almost surely, 2^1163214881 is an apocalyptic number.

It is an amenable number.

1163214881 is a deficient number, since it is larger than the sum of its proper divisors (25157599).

1163214881 is a wasteful number, since it uses less digits than its factorization.

1163214881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130495.

The product of its digits is 9216, while the sum is 35.

The square root of 1163214881 is about 34105.9361548690. The cubic root of 1163214881 is about 1051.6873492611.

The spelling of 1163214881 in words is "one billion, one hundred sixty-three million, two hundred fourteen thousand, eight hundred eighty-one".