606858681 has 24 divisors (see below), whose sum is σ = 957812800. Its totient is φ = 339498720.

The previous prime is 606858677. The next prime is 606858737. The reversal of 606858681 is 186858606.

It is a happy number.

It is not a de Polignac number, because 606858681 - 2² = 606858677 is a prime.

It is a super-2 number, since 2×606858681² = 736554917410119522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 606858681.

It is not an unprimeable number, because it can be changed into a prime (606858661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59581 + ... + 69018.

Almost surely, 2^606858681 is an apocalyptic number.

It is an amenable number.

606858681 is a deficient number, since it is larger than the sum of its proper divisors (350954119).

606858681 is a wasteful number, since it uses less digits than its factorization.

606858681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128637 (or 128626 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 606858681 is about 24634.5018419289. The cubic root of 606858681 is about 846.6342942514.

The spelling of 606858681 in words is "six hundred six million, eight hundred fifty-eight thousand, six hundred eighty-one".