1606160281 has 16 divisors (see below), whose sum is σ = 1833124608. Its totient is φ = 1394204800.

The previous prime is 1606160279. The next prime is 1606160299. The reversal of 1606160281 is 1820616061.

It is a cyclic number.

It is not a de Polignac number, because 1606160281 - 2¹ = 1606160279 is a prime.

It is a super-2 number, since 2×1606160281² = 5159501696523997922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1606160261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16690 + ... + 59083.

It is an arithmetic number, because the mean of its divisors is an integer number (114570288).

Almost surely, 2^1606160281 is an apocalyptic number.

1606160281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1606160281 is a deficient number, since it is larger than the sum of its proper divisors (226964327).

1606160281 is a wasteful number, since it uses less digits than its factorization.

1606160281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75872.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1606160281 is about 40076.9295355819. The cubic root of 1606160281 is about 1171.1062371846.

The spelling of 1606160281 in words is "one billion, six hundred six million, one hundred sixty thousand, two hundred eighty-one".