1161842664 has 32 divisors (see below), whose sum is σ = 2907433440. Its totient is φ = 386904000.

The previous prime is 1161842659. The next prime is 1161842681. The reversal of 1161842664 is 4662481611.

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

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, 2194 + ... + 48254.

It is an arithmetic number, because the mean of its divisors is an integer number (90857295).

Almost surely, 2^1161842664 is an apocalyptic number.

It is an amenable number.

1161842664 is an abundant number, since it is smaller than the sum of its proper divisors (1745590776).

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

1161842664 is a wasteful number, since it uses less digits than its factorization.

1161842664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47121 (or 47117 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 1161842664 is about 34085.8132365945. The cubic root of 1161842664 is about 1051.2736363305.

The spelling of 1161842664 in words is "one billion, one hundred sixty-one million, eight hundred forty-two thousand, six hundred sixty-four".