1606244713 has 4 divisors (see below), whose sum is σ = 1622148228. Its totient is φ = 1590341200.

The previous prime is 1606244699. The next prime is 1606244723. The reversal of 1606244713 is 3174426061.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1568397609 + 37847104 = 39603^2 + 6152^2 .

It is a cyclic number.

It is not a de Polignac number, because 1606244713 - 2⁵ = 1606244681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1606244723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7951606 + ... + 7951807.

It is an arithmetic number, because the mean of its divisors is an integer number (405537057).

Almost surely, 2^1606244713 is an apocalyptic number.

It is an amenable number.

1606244713 is a deficient number, since it is larger than the sum of its proper divisors (15903515).

1606244713 is a wasteful number, since it uses less digits than its factorization.

1606244713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15903514.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1606244713 is about 40077.9828958494. The cubic root of 1606244713 is about 1171.1267575753.

The spelling of 1606244713 in words is "one billion, six hundred six million, two hundred forty-four thousand, seven hundred thirteen".