1163631201 has 16 divisors (see below), whose sum is σ = 1570587840. Its totient is φ = 766251200.

The previous prime is 1163631197. The next prime is 1163631229. The reversal of 1163631201 is 1021363611.

It is a cyclic number.

It is not a de Polignac number, because 1163631201 - 2² = 1163631197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1163631251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129895 + ... + 138563.

It is an arithmetic number, because the mean of its divisors is an integer number (98161740).

Almost surely, 2^1163631201 is an apocalyptic number.

It is an amenable number.

1163631201 is a deficient number, since it is larger than the sum of its proper divisors (406956639).

1163631201 is a wasteful number, since it uses less digits than its factorization.

1163631201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9216.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1163631201 is about 34112.0389452170. The cubic root of 1163631201 is about 1051.8128022220.

Adding to 1163631201 its reverse (1021363611), we get a palindrome (2184994812).

The spelling of 1163631201 in words is "one billion, one hundred sixty-three million, six hundred thirty-one thousand, two hundred one".