656050110061 has 4 divisors (see below), whose sum is σ = 656051823900. Its totient is φ = 656048396224.

The previous prime is 656050110043. The next prime is 656050110103. The reversal of 656050110061 is 160011050656.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 228603515625 + 427446594436 = 478125^2 + 653794^2 .

It is a cyclic number.

It is not a de Polignac number, because 656050110061 - 2¹⁷ = 656049978989 is a prime.

It is a super-2 number, since 2×656050110061² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656050110011) by changing a digit.

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, 8835 + ... + 1145503.

It is an arithmetic number, because the mean of its divisors is an integer number (164012955975).

Almost surely, 2^656050110061 is an apocalyptic number.

It is an amenable number.

656050110061 is a deficient number, since it is larger than the sum of its proper divisors (1713839).

656050110061 is a wasteful number, since it uses less digits than its factorization.

656050110061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713838.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 656050110061 in words is "six hundred fifty-six billion, fifty million, one hundred ten thousand, sixty-one".