656016101 has 4 divisors (see below), whose sum is σ = 706478892. Its totient is φ = 605553312.

The previous prime is 656016029. The next prime is 656016133. The reversal of 656016101 is 101610656.

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 425431876 + 230584225 = 20626^2 + 15185^2 .

It is not a de Polignac number, because 656016101 - 2¹⁰ = 656015077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656016161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25231376 + ... + 25231401.

It is an arithmetic number, because the mean of its divisors is an integer number (176619723).

Almost surely, 2^656016101 is an apocalyptic number.

It is an amenable number.

656016101 is a deficient number, since it is larger than the sum of its proper divisors (50462791).

656016101 is a wasteful number, since it uses less digits than its factorization.

656016101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50462790.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 656016101 is about 25612.8112670203. The cubic root of 656016101 is about 868.9034058858.

Adding to 656016101 its reverse (101610656), we get a palindrome (757626757).

The spelling of 656016101 in words is "six hundred fifty-six million, sixteen thousand, one hundred one".