1163671764 has 12 divisors (see below), whose sum is σ = 2715234144. Its totient is φ = 387890584.

The previous prime is 1163671723. The next prime is 1163671781. The reversal of 1163671764 is 4671763611.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48486312 + ... + 48486335.

It is an arithmetic number, because the mean of its divisors is an integer number (226269512).

Almost surely, 2^1163671764 is an apocalyptic number.

It is an amenable number.

1163671764 is an abundant number, since it is smaller than the sum of its proper divisors (1551562380).

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

1163671764 is a wasteful number, since it uses less digits than its factorization.

1163671764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96972654 (or 96972652 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 1163671764 is about 34112.6334955248. The cubic root of 1163671764 is about 1051.8250237881.

The spelling of 1163671764 in words is "one billion, one hundred sixty-three million, six hundred seventy-one thousand, seven hundred sixty-four".