610656561276 has 12 divisors (see below), whose sum is σ = 1424865309672. Its totient is φ = 203552187088.

The previous prime is 610656561259. The next prime is 610656561341. The reversal of 610656561276 is 672165656016.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25444023375 + ... + 25444023398.

It is an arithmetic number, because the mean of its divisors is an integer number (118738775806).

Almost surely, 2^610656561276 is an apocalyptic number.

It is an amenable number.

610656561276 is an abundant number, since it is smaller than the sum of its proper divisors (814208748396).

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

610656561276 is a wasteful number, since it uses less digits than its factorization.

610656561276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50888046780 (or 50888046778 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 610656561276 in words is "six hundred ten billion, six hundred fifty-six million, five hundred sixty-one thousand, two hundred seventy-six".