162213748 has 6 divisors (see below), whose sum is σ = 283874066. Its totient is φ = 81106872.

The previous prime is 162213743. The next prime is 162213749. The reversal of 162213748 is 847312261.

It can be written as a sum of positive squares in only one way, i.e., 159213924 + 2999824 = 12618^2 + 1732^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162213743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20276715 + ... + 20276722.

Almost surely, 2^162213748 is an apocalyptic number.

It is an amenable number.

162213748 is a deficient number, since it is larger than the sum of its proper divisors (121660318).

162213748 is a wasteful number, since it uses less digits than its factorization.

162213748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40553441 (or 40553439 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 162213748 is about 12736.3161078861. The cubic root of 162213748 is about 545.3758292030.

The spelling of 162213748 in words is "one hundred sixty-two million, two hundred thirteen thousand, seven hundred forty-eight".