1606612013 has 16 divisors (see below), whose sum is σ = 1792512000. Its totient is φ = 1431032832.

The previous prime is 1606612009. The next prime is 1606612057. The reversal of 1606612013 is 3102166061.

It is a cyclic number.

It is not a de Polignac number, because 1606612013 - 2² = 1606612009 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 (1606612003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411173 + ... + 415061.

It is an arithmetic number, because the mean of its divisors is an integer number (112032000).

Almost surely, 2^1606612013 is an apocalyptic number.

It is an amenable number.

1606612013 is a deficient number, since it is larger than the sum of its proper divisors (185899987).

1606612013 is a wasteful number, since it uses less digits than its factorization.

1606612013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5204.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1606612013 is about 40082.5649503621. The cubic root of 1606612013 is about 1171.2160179623.

Adding to 1606612013 its reverse (3102166061), we get a palindrome (4708778074).

The spelling of 1606612013 in words is "one billion, six hundred six million, six hundred twelve thousand, thirteen".