1606425003 has 12 divisors (see below), whose sum is σ = 2374354840. Its totient is φ = 1046043936.

The previous prime is 1606424993. The next prime is 1606425061. The reversal of 1606425003 is 3005246061.

1606425003 is a `hidden beast` number, since 1 + 606 + 4 + 2 + 50 + 0 + 3 = 666.

1606425003 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1606425003 - 2⁵ = 1606424971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1606425083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2075098 + ... + 2075871.

Almost surely, 2^1606425003 is an apocalyptic number.

1606425003 is a deficient number, since it is larger than the sum of its proper divisors (767929837).

1606425003 is a wasteful number, since it uses less digits than its factorization.

1606425003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4151018 (or 4151015 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1606425003 is about 40080.2320726814. The cubic root of 1606425003 is about 1171.1705729296.

The spelling of 1606425003 in words is "one billion, six hundred six million, four hundred twenty-five thousand, three".