606136646 has 4 divisors (see below), whose sum is σ = 909204972. Its totient is φ = 303068322.

The previous prime is 606136639. The next prime is 606136667. The reversal of 606136646 is 646631606.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151534160 + ... + 151534163.

It is an arithmetic number, because the mean of its divisors is an integer number (227301243).

Almost surely, 2^606136646 is an apocalyptic number.

606136646 is a deficient number, since it is larger than the sum of its proper divisors (303068326).

606136646 is a wasteful number, since it uses less digits than its factorization.

606136646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303068325.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 606136646 is about 24619.8425258977. The cubic root of 606136646 is about 846.2983883743.

The spelling of 606136646 in words is "six hundred six million, one hundred thirty-six thousand, six hundred forty-six".