606456364561 has 4 divisors (see below), whose sum is σ = 612460883124. Its totient is φ = 600451846000.

The previous prime is 606456364559. The next prime is 606456364603. The reversal of 606456364561 is 165463654606.

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 338514512400 + 267941852161 = 581820^2 + 517631^2 .

It is a cyclic number.

It is not a de Polignac number, because 606456364561 - 2¹ = 606456364559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 606456364499 and 606456364508.

It is not an unprimeable number, because it can be changed into a prime (606456364061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3002259130 + ... + 3002259331.

It is an arithmetic number, because the mean of its divisors is an integer number (153115220781).

Almost surely, 2^606456364561 is an apocalyptic number.

It is an amenable number.

606456364561 is a deficient number, since it is larger than the sum of its proper divisors (6004518563).

606456364561 is a wasteful number, since it uses less digits than its factorization.

606456364561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6004518562.

The product of its (nonzero) digits is 9331200, while the sum is 52.

The spelling of 606456364561 in words is "six hundred six billion, four hundred fifty-six million, three hundred sixty-four thousand, five hundred sixty-one".