1160161000 has 32 divisors (see below), whose sum is σ = 2714779080. Its totient is φ = 464064000.

The previous prime is 1160160977. The next prime is 1160161007. The reversal of 1160161000 is 1610611.

It can be written as a sum of positive squares in 4 ways, for example, as 500595876 + 659565124 = 22374^2 + 25682^2 .

It is not an unprimeable number, because it can be changed into a prime (1160161007) 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, 579081 + ... + 581080.

Almost surely, 2^1160161000 is an apocalyptic number.

1160161000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1160161000 is an abundant number, since it is smaller than the sum of its proper divisors (1554618080).

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

1160161000 is a wasteful number, since it uses less digits than its factorization.

1160161000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160182 (or 1160168 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1160161000 is about 34061.1362112305. The cubic root of 1160161000 is about 1050.7661830341.

Adding to 1160161000 its reverse (1610611), we get a palindrome (1161771611).

The spelling of 1160161000 in words is "one billion, one hundred sixty million, one hundred sixty-one thousand".