66061322 has 8 divisors (see below), whose sum is σ = 99216900. Its totient is φ = 32989024.

The previous prime is 66061321. The next prime is 66061327. The reversal of 66061322 is 22316066.

It can be written as a sum of positive squares in 2 ways, for example, as 45981961 + 20079361 = 6781^2 + 4481^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 66061291 and 66061300.

It is not an unprimeable number, because it can be changed into a prime (66061321) 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, 18797 + ... + 22032.

Almost surely, 2^66061322 is an apocalyptic number.

66061322 is a deficient number, since it is larger than the sum of its proper divisors (33155578).

66061322 is a wasteful number, since it uses less digits than its factorization.

66061322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41640.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 66061322 is about 8127.8116365969. The cubic root of 66061322 is about 404.2491233801.

Adding to 66061322 its reverse (22316066), we get a palindrome (88377388).

The spelling of 66061322 in words is "sixty-six million, sixty-one thousand, three hundred twenty-two".