1163598144 has 56 divisors (see below), whose sum is σ = 3178015488. Its totient is φ = 375352320.

The previous prime is 1163598131. The next prime is 1163598203. The reversal of 1163598144 is 4418953611.

It is a junction number, because it is equal to n+sod(n) for n = 1163598096 and 1163598105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91797 + ... + 103700.

Almost surely, 2^1163598144 is an apocalyptic number.

It is an amenable number.

1163598144 is an abundant number, since it is smaller than the sum of its proper divisors (2014417344).

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

1163598144 is a wasteful number, since it uses less digits than its factorization.

1163598144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195543 (or 195533 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 1163598144 is about 34111.5544060953. The cubic root of 1163598144 is about 1051.8028419914.

The spelling of 1163598144 in words is "one billion, one hundred sixty-three million, five hundred ninety-eight thousand, one hundred forty-four".