656116066050 has 96 divisors (see below), whose sum is σ = 1686478516800. Its totient is φ = 168673570560.

The previous prime is 656116066031. The next prime is 656116066091. The reversal of 656116066050 is 50660611656.

It is a junction number, because it is equal to n+sod(n) for n = 656116065993 and 656116066011.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62661 + ... + 1147239.

It is an arithmetic number, because the mean of its divisors is an integer number (17567484550).

Almost surely, 2^656116066050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 656116066050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (843239258400).

656116066050 is an abundant number, since it is smaller than the sum of its proper divisors (1030362450750).

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

656116066050 is a wasteful number, since it uses less digits than its factorization.

656116066050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084740 (or 1084735 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 656116066050 in words is "six hundred fifty-six billion, one hundred sixteen million, sixty-six thousand, fifty".