66452122 has 8 divisors (see below), whose sum is σ = 108739872. Its totient is φ = 30205500.

The previous prime is 66452093. The next prime is 66452123. The reversal of 66452122 is 22125466.

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 (66452123) 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, 1510254 + ... + 1510297.

It is an arithmetic number, because the mean of its divisors is an integer number (13592484).

Almost surely, 2^66452122 is an apocalyptic number.

66452122 is a deficient number, since it is larger than the sum of its proper divisors (42287750).

66452122 is a wasteful number, since it uses less digits than its factorization.

66452122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020564.

The product of its digits is 5760, while the sum is 28.

The square root of 66452122 is about 8151.8170980463. The cubic root of 66452122 is about 405.0446976020.

Adding to 66452122 its reverse (22125466), we get a palindrome (88577588).

The spelling of 66452122 in words is "sixty-six million, four hundred fifty-two thousand, one hundred twenty-two".