1163438676 has 18 divisors (see below), whose sum is σ = 2940914522. Its totient is φ = 387812880.

The previous prime is 1163438671. The next prime is 1163438681. The reversal of 1163438676 is 6768343611.

1163438676 is a `hidden beast` number, since 1 + 1 + 634 + 3 + 8 + 6 + 7 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1163438671) and next prime (1163438681).

It can be written as a sum of positive squares in only one way, i.e., 682776900 + 480661776 = 26130^2 + 21924^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163438671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16158835 + ... + 16158906.

Almost surely, 2^1163438676 is an apocalyptic number.

It is an amenable number.

1163438676 is an abundant number, since it is smaller than the sum of its proper divisors (1777475846).

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

1163438676 is a wasteful number, since it uses less digits than its factorization.

1163438676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32317751 (or 32317746 counting only the distinct ones).

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

The square root of 1163438676 is about 34109.2168775538. The cubic root of 1163438676 is about 1051.7547908782.

The spelling of 1163438676 in words is "one billion, one hundred sixty-three million, four hundred thirty-eight thousand, six hundred seventy-six".