2160506 has 8 divisors (see below), whose sum is σ = 3250260. Its totient is φ = 1077088.

The previous prime is 2160469. The next prime is 2160527. The reversal of 2160506 is 6050612.

It can be written as a sum of positive squares in 2 ways, for example, as 1934881 + 225625 = 1391^2 + 475^2 .

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

It is an unprimeable number.

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, 611 + ... + 2166.

2^2160506 is an apocalyptic number.

2160506 is a deficient number, since it is larger than the sum of its proper divisors (1089754).

2160506 is a wasteful number, since it uses less digits than its factorization.

2160506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3168.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2160506 is about 1469.8659802853. The cubic root of 2160506 is about 129.2761745393.

The spelling of 2160506 in words is "two million, one hundred sixty thousand, five hundred six".