1171633164 has 48 divisors (see below), whose sum is σ = 2954267232. Its totient is φ = 359258112.

The previous prime is 1171633163. The next prime is 1171633171. The reversal of 1171633164 is 4613361711.

It is not an unprimeable number, because it can be changed into a prime (1171633163) 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, 32892 + ... + 58524.

It is an arithmetic number, because the mean of its divisors is an integer number (61547234).

Almost surely, 2^1171633164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1171633164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1477133616).

1171633164 is an abundant number, since it is smaller than the sum of its proper divisors (1782634068).

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

1171633164 is a wasteful number, since it uses less digits than its factorization.

1171633164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25946 (or 25944 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 1171633164 is about 34229.1274209554. The cubic root of 1171633164 is about 1054.2183031242.

Adding to 1171633164 its reverse (4613361711), we get a palindrome (5784994875).

The spelling of 1171633164 in words is "one billion, one hundred seventy-one million, six hundred thirty-three thousand, one hundred sixty-four".