162158530 has 16 divisors (see below), whose sum is σ = 294777144. Its totient is φ = 64220800.

The previous prime is 162158527. The next prime is 162158539. The reversal of 162158530 is 35851261.

162158530 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 4 ways, for example, as 162129289 + 29241 = 12733^2 + 171^2 .

It is a junction number, because it is equal to n+sod(n) for n = 162158492 and 162158501.

It is not an unprimeable number, because it can be changed into a prime (162158539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79267 + ... + 81286.

Almost surely, 2^162158530 is an apocalyptic number.

162158530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

162158530 is a deficient number, since it is larger than the sum of its proper divisors (132618614).

162158530 is a wasteful number, since it uses less digits than its factorization.

162158530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160661.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 162158530 is about 12734.1481850966. The cubic root of 162158530 is about 545.3139397093.

The spelling of 162158530 in words is "one hundred sixty-two million, one hundred fifty-eight thousand, five hundred thirty".