606902663 has 4 divisors (see below), whose sum is σ = 608622288. Its totient is φ = 605183040.

The previous prime is 606902641. The next prime is 606902671. The reversal of 606902663 is 366209606.

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

It is a cyclic number.

It is not a de Polignac number, because 606902663 - 2⁶ = 606902599 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 (606902063) 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 3 ways as a sum of consecutive naturals, for example, 859283 + ... + 859988.

It is an arithmetic number, because the mean of its divisors is an integer number (152155572).

Almost surely, 2^606902663 is an apocalyptic number.

606902663 is a deficient number, since it is larger than the sum of its proper divisors (1719625).

606902663 is a wasteful number, since it uses less digits than its factorization.

606902663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719624.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 606902663 is about 24635.3945168329. The cubic root of 606902663 is about 846.6547469922.

The spelling of 606902663 in words is "six hundred six million, nine hundred two thousand, six hundred sixty-three".