162644425 has 12 divisors (see below), whose sum is σ = 202125456. Its totient is φ = 129827600.

The previous prime is 162644399. The next prime is 162644429. The reversal of 162644425 is 524446261.

It is not a de Polignac number, because 162644425 - 2¹¹ = 162642377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162644429) 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 11 ways as a sum of consecutive naturals, for example, 4710 + ... + 18640.

It is an arithmetic number, because the mean of its divisors is an integer number (16843788).

Almost surely, 2^162644425 is an apocalyptic number.

It is an amenable number.

162644425 is a deficient number, since it is larger than the sum of its proper divisors (39481031).

162644425 is a wasteful number, since it uses less digits than its factorization.

162644425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14408 (or 14403 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 162644425 is about 12753.2123404262. The cubic root of 162644425 is about 545.8580597284.

The spelling of 162644425 in words is "one hundred sixty-two million, six hundred forty-four thousand, four hundred twenty-five".