1163870946 has 48 divisors (see below), whose sum is σ = 2885732928. Its totient is φ = 332100000.

The previous prime is 1163870933. The next prime is 1163870947. The reversal of 1163870946 is 6490783611.

It is a happy number.

1163870946 is a `hidden beast` number, since 1 + 1 + 638 + 7 + 0 + 9 + 4 + 6 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1163870947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97821 + ... + 109071.

It is an arithmetic number, because the mean of its divisors is an integer number (60119436).

Almost surely, 2^1163870946 is an apocalyptic number.

1163870946 is an abundant number, since it is smaller than the sum of its proper divisors (1721861982).

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

1163870946 is a wasteful number, since it uses less digits than its factorization.

1163870946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12087 (or 12084 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1163870946 is about 34115.5528461727. The cubic root of 1163870946 is about 1051.8850328806.

The spelling of 1163870946 in words is "one billion, one hundred sixty-three million, eight hundred seventy thousand, nine hundred forty-six".