2136566432 has 96 divisors (see below), whose sum is σ = 5647791744. Its totient is φ = 768384000.

The previous prime is 2136566381. The next prime is 2136566447. The reversal of 2136566432 is 2346656312.

It is a happy number.

It is a super-2 number, since 2×2136566432² = 9129832236698421248, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1319 + ... + 65382.

It is an arithmetic number, because the mean of its divisors is an integer number (58831164).

Almost surely, 2^2136566432 is an apocalyptic number.

2136566432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2136566432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2823895872).

2136566432 is an abundant number, since it is smaller than the sum of its proper divisors (3511225312).

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

2136566432 is a wasteful number, since it uses less digits than its factorization.

2136566432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66742 (or 66734 counting only the distinct ones).

The product of its digits is 155520, while the sum is 38.

The square root of 2136566432 is about 46223.0076044387. The cubic root of 2136566432 is about 1287.9691684041.

The spelling of 2136566432 in words is "two billion, one hundred thirty-six million, five hundred sixty-six thousand, four hundred thirty-two".