2561983145196 has 96 divisors (see below), whose sum is σ = 6207211207680. Its totient is φ = 821801376000.

The previous prime is 2561983145153. The next prime is 2561983145203. The reversal of 2561983145196 is 6915413891652.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15269641 + ... + 15436511.

It is an arithmetic number, because the mean of its divisors is an integer number (64658450080).

Almost surely, 2^{2561983145196} is an apocalyptic number.

It is an amenable number.

2561983145196 is an abundant number, since it is smaller than the sum of its proper divisors (3645228062484).

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

2561983145196 is a wasteful number, since it uses less digits than its factorization.

2561983145196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167295 (or 167293 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 60.

The spelling of 2561983145196 in words is "two trillion, five hundred sixty-one billion, nine hundred eighty-three million, one hundred forty-five thousand, one hundred ninety-six".