66266230164 has 24 divisors (see below), whose sum is σ = 156215239488. Its totient is φ = 21861024000.

The previous prime is 66266230153. The next prime is 66266230169. The reversal of 66266230164 is 46103266266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66266230169) 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, 28463712 + ... + 28466039.

It is an arithmetic number, because the mean of its divisors is an integer number (6508968312).

Almost surely, 2^66266230164 is an apocalyptic number.

It is an amenable number.

66266230164 is an abundant number, since it is smaller than the sum of its proper divisors (89949009324).

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

66266230164 is a wasteful number, since it uses less digits than its factorization.

66266230164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56929855 (or 56929853 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 66266230164 in words is "sixty-six billion, two hundred sixty-six million, two hundred thirty thousand, one hundred sixty-four".