2112534660 has 24 divisors (see below), whose sum is σ = 5915097216. Its totient is φ = 563342560.

The previous prime is 2112534643. The next prime is 2112534719. The reversal of 2112534660 is 664352112.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 7 ways as a sum of consecutive naturals, for example, 17604396 + ... + 17604515.

It is an arithmetic number, because the mean of its divisors is an integer number (246462384).

Almost surely, 2^2112534660 is an apocalyptic number.

2112534660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112534660 is an abundant number, since it is smaller than the sum of its proper divisors (3802562556).

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

2112534660 is a wasteful number, since it uses less digits than its factorization.

2112534660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35208923 (or 35208921 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2112534660 is about 45962.3178266719. The cubic root of 2112534660 is about 1283.1219892970.

Adding to 2112534660 its reverse (664352112), we get a palindrome (2776886772).

The spelling of 2112534660 in words is "two billion, one hundred twelve million, five hundred thirty-four thousand, six hundred sixty".