1606272146705 has 8 divisors (see below), whose sum is σ = 2040910492392. Its totient is φ = 1209428439808.

The previous prime is 1606272146693. The next prime is 1606272146711. The reversal of 1606272146705 is 5076412726061.

It can be written as a sum of positive squares in 4 ways, for example, as 120769455361 + 1485502691344 = 347519^2 + 1218812^2 .

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 1606272146705 - 2⁸ = 1606272146449 is a prime.

It is a super-2 number, since 2×1606272146705² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1606272146705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9448659602 + ... + 9448659771.

It is an arithmetic number, because the mean of its divisors is an integer number (255113811549).

Almost surely, 2^{1606272146705} is an apocalyptic number.

It is an amenable number.

1606272146705 is a deficient number, since it is larger than the sum of its proper divisors (434638345687).

1606272146705 is a wasteful number, since it uses less digits than its factorization.

1606272146705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18897319395.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 1606272146705 in words is "one trillion, six hundred six billion, two hundred seventy-two million, one hundred forty-six thousand, seven hundred five".