606161603 has 4 divisors (see below), whose sum is σ = 606537168. Its totient is φ = 605786040.

The previous prime is 606161597. The next prime is 606161681. The reversal of 606161603 is 306161606.

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 606161603 - 2⁴ = 606161587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (606181603) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 185351 + ... + 188592.

It is an arithmetic number, because the mean of its divisors is an integer number (151634292).

Almost surely, 2^606161603 is an apocalyptic number.

606161603 is a deficient number, since it is larger than the sum of its proper divisors (375565).

606161603 is a wasteful number, since it uses less digits than its factorization.

606161603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375564.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 606161603 is about 24620.3493679517. The cubic root of 606161603 is about 846.3100033454.

The spelling of 606161603 in words is "six hundred six million, one hundred sixty-one thousand, six hundred three".