2127532660 has 96 divisors (see below), whose sum is σ = 5385284352. Its totient is φ = 696453120.

The previous prime is 2127532639. The next prime is 2127532661. The reversal of 2127532660 is 662357212.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2127532661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73654 + ... + 98386.

It is an arithmetic number, because the mean of its divisors is an integer number (56096712).

Almost surely, 2^2127532660 is an apocalyptic number.

2127532660 is a gapful number since it is divisible by the number (20) 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 2127532660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2692642176).

2127532660 is an abundant number, since it is smaller than the sum of its proper divisors (3257751692).

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

2127532660 is a wasteful number, since it uses less digits than its factorization.

2127532660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24793 (or 24791 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 2127532660 is about 46125.1846608770. The cubic root of 2127532660 is about 1286.1513519241.

Adding to 2127532660 its reverse (662357212), we get a palindrome (2789889872).

It can be divided in two parts, 21275 and 32660, that added together give a palindrome (53935).

The spelling of 2127532660 in words is "two billion, one hundred twenty-seven million, five hundred thirty-two thousand, six hundred sixty".