1161328196 has 24 divisors (see below), whose sum is σ = 2330239296. Its totient is φ = 496087200.

The previous prime is 1161328177. The next prime is 1161328237. The reversal of 1161328196 is 6918231611.

It is a super-2 number, since 2×1161328196² = 2697366357649228832, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58955 + ... + 76146.

It is an arithmetic number, because the mean of its divisors is an integer number (97093304).

Almost surely, 2^1161328196 is an apocalyptic number.

It is an amenable number.

1161328196 is an abundant number, since it is smaller than the sum of its proper divisors (1168911100).

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

1161328196 is a wasteful number, since it uses less digits than its factorization.

1161328196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135419 (or 135417 counting only the distinct ones).

The product of its digits is 15552, while the sum is 38.

The square root of 1161328196 is about 34078.2657422587. The cubic root of 1161328196 is about 1051.1184442059.

The spelling of 1161328196 in words is "one billion, one hundred sixty-one million, three hundred twenty-eight thousand, one hundred ninety-six".