66260622 has 16 divisors (see below), whose sum is σ = 132613632. Its totient is φ = 22071480.

The previous prime is 66260531. The next prime is 66260627. The reversal of 66260622 is 22606266.

It is a self number, because there is not a number n which added to its sum of digits gives 66260622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66260627) 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, 8547 + ... + 14337.

It is an arithmetic number, because the mean of its divisors is an integer number (8288352).

Almost surely, 2^66260622 is an apocalyptic number.

66260622 is an abundant number, since it is smaller than the sum of its proper divisors (66353010).

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

66260622 is a wasteful number, since it uses less digits than its factorization.

66260622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7703.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 66260622 is about 8140.0627761707. The cubic root of 66260622 is about 404.6552408219.

Adding to 66260622 its reverse (22606266), we get a palindrome (88866888).

The spelling of 66260622 in words is "sixty-six million, two hundred sixty thousand, six hundred twenty-two".