162164728 has 16 divisors (see below), whose sum is σ = 331700760. Its totient is φ = 73711200.

The previous prime is 162164719. The next prime is 162164729. The reversal of 162164728 is 827461261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162164729) 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, 921303 + ... + 921478.

Almost surely, 2^162164728 is an apocalyptic number.

It is an amenable number.

162164728 is an abundant number, since it is smaller than the sum of its proper divisors (169536032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162164728 is a wasteful number, since it uses less digits than its factorization.

162164728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842798 (or 1842794 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 162164728 is about 12734.3915441610. The cubic root of 162164728 is about 545.3208872578.

The spelling of 162164728 in words is "one hundred sixty-two million, one hundred sixty-four thousand, seven hundred twenty-eight".