2381661832 has 32 divisors (see below), whose sum is σ = 4975240320. Its totient is φ = 1059538240.

The previous prime is 2381661829. The next prime is 2381661839.

2381661832 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (2381661839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283783 + ... + 292054.

It is an arithmetic number, because the mean of its divisors is an integer number (155476260).

Almost surely, 2^2381661832 is an apocalyptic number.

2381661832 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2381661832 is an abundant number, since it is smaller than the sum of its proper divisors (2593578488).

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

2381661832 is a wasteful number, since it uses less digits than its factorization.

2381661832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575901 (or 575897 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 2381661832 is about 48802.2728159253. The cubic root of 2381661832 is about 1335.4471295173.

The spelling of 2381661832 in words is "two billion, three hundred eighty-one million, six hundred sixty-one thousand, eight hundred thirty-two".