1163299401 has 40 divisors (see below), whose sum is σ = 1927965600. Its totient is φ = 693048960.

The previous prime is 1163299393. The next prime is 1163299483. The reversal of 1163299401 is 1049923611.

It is a happy number.

1163299401 is a `hidden beast` number, since 1 + 163 + 2 + 99 + 401 = 666.

It is not a de Polignac number, because 1163299401 - 2³ = 1163299393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1163299901) 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 39 ways as a sum of consecutive naturals, for example, 41505 + ... + 63633.

It is an arithmetic number, because the mean of its divisors is an integer number (48199140).

Almost surely, 2^1163299401 is an apocalyptic number.

1163299401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1163299401 is a deficient number, since it is larger than the sum of its proper divisors (764666199).

1163299401 is a wasteful number, since it uses less digits than its factorization.

1163299401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22211 (or 22202 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1163299401 is about 34107.1752128493. The cubic root of 1163299401 is about 1051.7128207549.

The spelling of 1163299401 in words is "one billion, one hundred sixty-three million, two hundred ninety-nine thousand, four hundred one".