1401606603 has 12 divisors (see below), whose sum is σ = 2025424128. Its totient is φ = 933997680.

The previous prime is 1401606581. The next prime is 1401606617. The reversal of 1401606603 is 3066061041.

1401606603 is a `hidden beast` number, since 1 + 40 + 16 + 0 + 6 + 603 = 666.

1401606603 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 1401606603 - 2⁶ = 1401606539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1401606653) 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, 11275 + ... + 54132.

It is an arithmetic number, because the mean of its divisors is an integer number (168785344).

Almost surely, 2^1401606603 is an apocalyptic number.

1401606603 is a deficient number, since it is larger than the sum of its proper divisors (623817525).

1401606603 is a wasteful number, since it uses less digits than its factorization.

1401606603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67794 (or 67791 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1401606603 is about 37438.0368475699. The cubic root of 1401606603 is about 1119.1167044484.

Adding to 1401606603 its reverse (3066061041), we get a palindrome (4467667644).

The spelling of 1401606603 in words is "one billion, four hundred one million, six hundred six thousand, six hundred three".