1161882864 has 60 divisors (see below), whose sum is σ = 3320861856. Its totient is φ = 379051776.

The previous prime is 1161882847. The next prime is 1161882877. The reversal of 1161882864 is 4682881611.

1161882864 is a `hidden beast` number, since 1 + 1 + 618 + 8 + 28 + 6 + 4 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 79069 + ... + 92604.

Almost surely, 2^1161882864 is an apocalyptic number.

It is an amenable number.

1161882864 is an abundant number, since it is smaller than the sum of its proper divisors (2158978992).

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

1161882864 is a wasteful number, since it uses less digits than its factorization.

1161882864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171734 (or 171725 counting only the distinct ones).

The product of its digits is 147456, while the sum is 45.

The square root of 1161882864 is about 34086.4029196394. The cubic root of 1161882864 is about 1051.2857609534.

The spelling of 1161882864 in words is "one billion, one hundred sixty-one million, eight hundred eighty-two thousand, eight hundred sixty-four".