66053922 has 32 divisors (see below), whose sum is σ = 146568960. Its totient is φ = 19675920.

The previous prime is 66053921. The next prime is 66053929. The reversal of 66053922 is 22935066.

It is a super-2 number, since 2×66053922² = 8726241223164168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (66053921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4588 + ... + 12375.

It is an arithmetic number, because the mean of its divisors is an integer number (4580280).

Almost surely, 2^66053922 is an apocalyptic number.

66053922 is an abundant number, since it is smaller than the sum of its proper divisors (80515038).

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

66053922 is a wasteful number, since it uses less digits than its factorization.

66053922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17038.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 66053922 is about 8127.3563967627. The cubic root of 66053922 is about 404.2340285403.

Adding to 66053922 its reverse (22935066), we get a palindrome (88988988).

The spelling of 66053922 in words is "sixty-six million, fifty-three thousand, nine hundred twenty-two".