1606261705171 has 8 divisors (see below), whose sum is σ = 1623284445200. Its totient is φ = 1589280536160.

The previous prime is 1606261705157. The next prime is 1606261705187. The reversal of 1606261705171 is 1715071626061.

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 1606261705171 - 2³⁷ = 1468822751699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1606261705121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10315065 + ... + 10469626.

It is an arithmetic number, because the mean of its divisors is an integer number (202910555650).

Almost surely, 2^{1606261705171} is an apocalyptic number.

1606261705171 is a deficient number, since it is larger than the sum of its proper divisors (17022740029).

1606261705171 is a wasteful number, since it uses less digits than its factorization.

1606261705171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20785509.

The product of its (nonzero) digits is 105840, while the sum is 43.

The spelling of 1606261705171 in words is "one trillion, six hundred six billion, two hundred sixty-one million, seven hundred five thousand, one hundred seventy-one".