2112560646 has 32 divisors (see below), whose sum is σ = 4889840640. Its totient is φ = 595947456.

The previous prime is 2112560633. The next prime is 2112560677. The reversal of 2112560646 is 6460652112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315031 + ... + 321666.

It is an arithmetic number, because the mean of its divisors is an integer number (152807520).

Almost surely, 2^2112560646 is an apocalyptic number.

2112560646 is an abundant number, since it is smaller than the sum of its proper divisors (2777279994).

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

2112560646 is a wasteful number, since it uses less digits than its factorization.

2112560646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636788.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 2112560646 is about 45962.6005138961. The cubic root of 2112560646 is about 1283.1272504448.

The spelling of 2112560646 in words is "two billion, one hundred twelve million, five hundred sixty thousand, six hundred forty-six".