1161897482 has 8 divisors (see below), whose sum is σ = 1775730276. Its totient is φ = 569987392.

The previous prime is 1161897467. The next prime is 1161897491. The reversal of 1161897482 is 2847981611.

It can be written as a sum of positive squares in 2 ways, for example, as 1156612081 + 5285401 = 34009^2 + 2299^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5480543 + ... + 5480754.

Almost surely, 2^1161897482 is an apocalyptic number.

1161897482 is a deficient number, since it is larger than the sum of its proper divisors (613832794).

1161897482 is a wasteful number, since it uses less digits than its factorization.

1161897482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10961352.

The product of its digits is 193536, while the sum is 47.

The square root of 1161897482 is about 34086.6173446413. The cubic root of 1161897482 is about 1051.2901697831.

The spelling of 1161897482 in words is "one billion, one hundred sixty-one million, eight hundred ninety-seven thousand, four hundred eighty-two".