1606326671 has 8 divisors (see below), whose sum is σ = 1712275200. Its totient is φ = 1502518680.

The previous prime is 1606326653. The next prime is 1606326679. The reversal of 1606326671 is 1766236061.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1606326671 - 2¹⁸ = 1606064527 is a prime.

It is a super-4 number, since 4×1606326671⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606326679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533585 + ... + 536586.

It is an arithmetic number, because the mean of its divisors is an integer number (214034400).

Almost surely, 2^1606326671 is an apocalyptic number.

1606326671 is a deficient number, since it is larger than the sum of its proper divisors (105948529).

1606326671 is a wasteful number, since it uses less digits than its factorization.

1606326671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070269.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 1606326671 is about 40079.0053644049. The cubic root of 1606326671 is about 1171.1466759961.

The spelling of 1606326671 in words is "one billion, six hundred six million, three hundred twenty-six thousand, six hundred seventy-one".