606640012 has 24 divisors (see below), whose sum is σ = 1189434960. Its totient is φ = 268292160.

The previous prime is 606640003. The next prime is 606640051. The reversal of 606640012 is 210046606.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184687 + ... + 187942.

It is an arithmetic number, because the mean of its divisors is an integer number (49559790).

Almost surely, 2^606640012 is an apocalyptic number.

It is an amenable number.

606640012 is a deficient number, since it is larger than the sum of its proper divisors (582794948).

606640012 is a wasteful number, since it uses less digits than its factorization.

606640012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372681 (or 372679 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 606640012 is about 24630.0631749088. The cubic root of 606640012 is about 846.5325929707.

Adding to 606640012 its reverse (210046606), we get a palindrome (816686618).

The spelling of 606640012 in words is "six hundred six million, six hundred forty thousand, twelve".