1163444461 has 8 divisors (see below), whose sum is σ = 1227202880. Its totient is φ = 1099938528.

The previous prime is 1163444459. The next prime is 1163444467. The reversal of 1163444461 is 1644443611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1163444461 - 2¹ = 1163444459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163444467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53616 + ... + 72121.

It is an arithmetic number, because the mean of its divisors is an integer number (153400360).

Almost surely, 2^1163444461 is an apocalyptic number.

It is an amenable number.

1163444461 is a deficient number, since it is larger than the sum of its proper divisors (63758419).

1163444461 is a wasteful number, since it uses less digits than its factorization.

1163444461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126243.

The product of its digits is 27648, while the sum is 34.

The square root of 1163444461 is about 34109.3016785744. The cubic root of 1163444461 is about 1051.7565340990.

The spelling of 1163444461 in words is "one billion, one hundred sixty-three million, four hundred forty-four thousand, four hundred sixty-one".