606645901 has 16 divisors (see below), whose sum is σ = 651672000. Its totient is φ = 562722048.

The previous prime is 606645887. The next prime is 606645911. The reversal of 606645901 is 109546606.

It is a cyclic number.

It is not a de Polignac number, because 606645901 - 2⁵ = 606645869 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 (606645911) 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 15 ways as a sum of consecutive naturals, for example, 351226 + ... + 352948.

It is an arithmetic number, because the mean of its divisors is an integer number (40729500).

Almost surely, 2^606645901 is an apocalyptic number.

It is an amenable number.

606645901 is a deficient number, since it is larger than the sum of its proper divisors (45026099).

606645901 is a wasteful number, since it uses less digits than its factorization.

606645901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 606645901 is about 24630.1827236421. The cubic root of 606645901 is about 846.5353322198.

The spelling of 606645901 in words is "six hundred six million, six hundred forty-five thousand, nine hundred one".