66460422 has 16 divisors (see below), whose sum is σ = 151909632. Its totient is φ = 18988680.

The previous prime is 66460421. The next prime is 66460451. The reversal of 66460422 is 22406466.

It is a self number, because there is not a number n which added to its sum of digits gives 66460422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66460421) 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, 791154 + ... + 791237.

It is an arithmetic number, because the mean of its divisors is an integer number (9494352).

Almost surely, 2^66460422 is an apocalyptic number.

66460422 is an abundant number, since it is smaller than the sum of its proper divisors (85449210).

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

66460422 is a wasteful number, since it uses less digits than its factorization.

66460422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582403.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 66460422 is about 8152.3261710999. The cubic root of 66460422 is about 405.0615605249.

Adding to 66460422 its reverse (22406466), we get a palindrome (88866888).

The spelling of 66460422 in words is "sixty-six million, four hundred sixty thousand, four hundred twenty-two".