1161698882 has 4 divisors (see below), whose sum is σ = 1742548326. Its totient is φ = 580849440.

The previous prime is 1161698851. The next prime is 1161698897. The reversal of 1161698882 is 2888961611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 871371361 + 290327521 = 29519^2 + 17039^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1161698882.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290424719 + ... + 290424722.

Almost surely, 2^1161698882 is an apocalyptic number.

1161698882 is a deficient number, since it is larger than the sum of its proper divisors (580849444).

1161698882 is an equidigital number, since it uses as much as digits as its factorization.

1161698882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580849443.

The product of its digits is 331776, while the sum is 50.

The square root of 1161698882 is about 34083.7040534036. The cubic root of 1161698882 is about 1051.2302683064.

The spelling of 1161698882 in words is "one billion, one hundred sixty-one million, six hundred ninety-eight thousand, eight hundred eighty-two".