162610427 has 4 divisors (see below), whose sum is σ = 185840496. Its totient is φ = 139380360.

The previous prime is 162610411. The next prime is 162610447. The reversal of 162610427 is 724016261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724016261 = 19 ⋅38106119.

It is not a de Polignac number, because 162610427 - 2⁴ = 162610411 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 162610427.

It is not an unprimeable number, because it can be changed into a prime (162610447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11615024 + ... + 11615037.

It is an arithmetic number, because the mean of its divisors is an integer number (46460124).

Almost surely, 2^162610427 is an apocalyptic number.

162610427 is a deficient number, since it is larger than the sum of its proper divisors (23230069).

162610427 is an equidigital number, since it uses as much as digits as its factorization.

162610427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23230068.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 162610427 is about 12751.8793516877. The cubic root of 162610427 is about 545.8200230203.

Adding to 162610427 its reverse (724016261), we get a palindrome (886626688).

The spelling of 162610427 in words is "one hundred sixty-two million, six hundred ten thousand, four hundred twenty-seven".