162421106 has 8 divisors (see below), whose sum is σ = 243724140. Its totient is φ = 81179728.

The previous prime is 162421081. The next prime is 162421109. The reversal of 162421106 is 601124261.

It can be written as a sum of positive squares in 2 ways, for example, as 127125625 + 35295481 = 11275^2 + 5941^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (162421109) 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, 8141 + ... + 19776.

Almost surely, 2^162421106 is an apocalyptic number.

162421106 is a deficient number, since it is larger than the sum of its proper divisors (81303034).

162421106 is a wasteful number, since it uses less digits than its factorization.

162421106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30828.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 162421106 is about 12744.4539310243. The cubic root of 162421106 is about 545.6081150808.

Adding to 162421106 its reverse (601124261), we get a palindrome (763545367).

The spelling of 162421106 in words is "one hundred sixty-two million, four hundred twenty-one thousand, one hundred six".