162406555 has 4 divisors (see below), whose sum is σ = 194887872. Its totient is φ = 129925240.

The previous prime is 162406549. The next prime is 162406567. The reversal of 162406555 is 555604261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 555604261 = 23 ⋅24156707.

It is not a de Polignac number, because 162406555 - 2⁵ = 162406523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 162406555.

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, 16240651 + ... + 16240660.

It is an arithmetic number, because the mean of its divisors is an integer number (48721968).

Almost surely, 2^162406555 is an apocalyptic number.

162406555 is a deficient number, since it is larger than the sum of its proper divisors (32481317).

162406555 is an equidigital number, since it uses as much as digits as its factorization.

162406555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32481316.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 162406555 is about 12743.8830424639. The cubic root of 162406555 is about 545.5918212609.

The spelling of 162406555 in words is "one hundred sixty-two million, four hundred six thousand, five hundred fifty-five".