162820132 has 6 divisors (see below), whose sum is σ = 284935238. Its totient is φ = 81410064.

The previous prime is 162820127. The next prime is 162820159. The reversal of 162820132 is 231028261.

It can be written as a sum of positive squares in only one way, i.e., 98724096 + 64096036 = 9936^2 + 8006^2 .

It is a junction number, because it is equal to n+sod(n) for n = 162820097 and 162820106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20352513 + ... + 20352520.

Almost surely, 2^162820132 is an apocalyptic number.

It is an amenable number.

162820132 is a deficient number, since it is larger than the sum of its proper divisors (122115106).

162820132 is a wasteful number, since it uses less digits than its factorization.

162820132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40705037 (or 40705035 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 162820132 is about 12760.0992159152. The cubic root of 162820132 is about 546.0545549660.

Adding to 162820132 its reverse (231028261), we get a palindrome (393848393).

The spelling of 162820132 in words is "one hundred sixty-two million, eight hundred twenty thousand, one hundred thirty-two".