1163746863 has 6 divisors (see below), whose sum is σ = 1680967704. Its totient is φ = 775831236.

The previous prime is 1163746861. The next prime is 1163746879. The reversal of 1163746863 is 3686473611.

1163746863 is a `hidden beast` number, since 1 + 1 + 637 + 4 + 6 + 8 + 6 + 3 = 666.

It is not a de Polignac number, because 1163746863 - 2¹ = 1163746861 is a prime.

It is a super-2 number, since 2×1163746863² = 2708613522284681538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163746861) 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, 64652595 + ... + 64652612.

It is an arithmetic number, because the mean of its divisors is an integer number (280161284).

Almost surely, 2^1163746863 is an apocalyptic number.

1163746863 is a deficient number, since it is larger than the sum of its proper divisors (517220841).

1163746863 is a wasteful number, since it uses less digits than its factorization.

1163746863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129305213 (or 129305210 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 1163746863 is about 34113.7342283134. The cubic root of 1163746863 is about 1051.8476502453.

The spelling of 1163746863 in words is "one billion, one hundred sixty-three million, seven hundred forty-six thousand, eight hundred sixty-three".