66424472262 has 24 divisors (see below), whose sum is σ = 143986620024. Its totient is φ = 22131193824.

The previous prime is 66424472209. The next prime is 66424472269. The reversal of 66424472262 is 26227442466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66424472269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 818248 + ... + 895755.

It is an arithmetic number, because the mean of its divisors is an integer number (5999442501).

Almost surely, 2^66424472262 is an apocalyptic number.

66424472262 is an abundant number, since it is smaller than the sum of its proper divisors (77562147762).

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

66424472262 is a wasteful number, since it uses less digits than its factorization.

66424472262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716164 (or 1716161 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 45.

The spelling of 66424472262 in words is "sixty-six billion, four hundred twenty-four million, four hundred seventy-two thousand, two hundred sixty-two".