162738920 has 16 divisors (see below), whose sum is σ = 366162660. Its totient is φ = 65095552.

The previous prime is 162738899. The next prime is 162738929. The reversal of 162738920 is 29837261.

162738920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 149181796 + 13557124 = 12214^2 + 3682^2 .

It is not an unprimeable number, because it can be changed into a prime (162738929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2034197 + ... + 2034276.

Almost surely, 2^162738920 is an apocalyptic number.

162738920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162738920 is an abundant number, since it is smaller than the sum of its proper divisors (203423740).

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

162738920 is a wasteful number, since it uses less digits than its factorization.

162738920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4068484 (or 4068480 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 162738920 is about 12756.9165553436. The cubic root of 162738920 is about 545.9637521948.

The spelling of 162738920 in words is "one hundred sixty-two million, seven hundred thirty-eight thousand, nine hundred twenty".