162249421952 has 24 divisors (see below), whose sum is σ = 323240349315. Its totient is φ = 81122432384.

The previous prime is 162249421837. The next prime is 162249421991. The reversal of 162249421952 is 259124942261.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 81124710976 + 81124710976 = 284824^2 + 284824^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=284824.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 162249421897 and 162249421906.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4539383 + ... + 4574985.

Almost surely, 2^162249421952 is an apocalyptic number.

It is an amenable number.

162249421952 is a deficient number, since it is larger than the sum of its proper divisors (160990927363).

162249421952 is an frugal number, since it uses more digits than its factorization.

162249421952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71220 (or 35605 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The spelling of 162249421952 in words is "one hundred sixty-two billion, two hundred forty-nine million, four hundred twenty-one thousand, nine hundred fifty-two".