1682532161 has 4 divisors (see below), whose sum is σ = 1736807424. Its totient is φ = 1628256900.

The previous prime is 1682532157. The next prime is 1682532169. The reversal of 1682532161 is 1612352861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1612352861 = 7 ⋅230336123.

It is a cyclic number.

It is not a de Polignac number, because 1682532161 - 2² = 1682532157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1682532169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27137585 + ... + 27137646.

It is an arithmetic number, because the mean of its divisors is an integer number (434201856).

Almost surely, 2^1682532161 is an apocalyptic number.

It is an amenable number.

1682532161 is a deficient number, since it is larger than the sum of its proper divisors (54275263).

1682532161 is an equidigital number, since it uses as much as digits as its factorization.

1682532161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54275262.

The product of its digits is 17280, while the sum is 35.

The square root of 1682532161 is about 41018.6806345597. The cubic root of 1682532161 is about 1189.3813513416.

The spelling of 1682532161 in words is "one billion, six hundred eighty-two million, five hundred thirty-two thousand, one hundred sixty-one".