66162162 has 16 divisors (see below), whose sum is σ = 144353952. Its totient is φ = 20049120.

The previous prime is 66162149. The next prime is 66162169. The reversal of 66162162 is 26126166.

It is a nude number because it is divisible by every one of its digits.

66162162 is a modest number, since divided by 162162 gives 66 as remainder.

It is not an unprimeable number, because it can be changed into a prime (66162169) 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, 501163 + ... + 501294.

It is an arithmetic number, because the mean of its divisors is an integer number (9022122).

Almost surely, 2^66162162 is an apocalyptic number.

66162162 is an abundant number, since it is smaller than the sum of its proper divisors (78191790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66162162 is a wasteful number, since it uses less digits than its factorization.

66162162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002473.

The product of its digits is 5184, while the sum is 30.

The square root of 66162162 is about 8134.0126628866. The cubic root of 66162162 is about 404.4547089187.

It can be divided in two parts, 6616 and 2162, that added together give a palindrome (8778).

The spelling of 66162162 in words is "sixty-six million, one hundred sixty-two thousand, one hundred sixty-two".