66740411080 has 32 divisors (see below), whose sum is σ = 171618200640. Its totient is φ = 22882426560.

The previous prime is 66740411077. The next prime is 66740411081. The reversal of 66740411080 is 8011404766.

It is a happy number.

It is a super-2 number, since 2×66740411080² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66740411081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119179026 + ... + 119179585.

It is an arithmetic number, because the mean of its divisors is an integer number (5363068770).

Almost surely, 2^66740411080 is an apocalyptic number.

It is an amenable number.

66740411080 is an abundant number, since it is smaller than the sum of its proper divisors (104877789560).

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

66740411080 is a wasteful number, since it uses less digits than its factorization.

66740411080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238358629 (or 238358625 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 66740411080 in words is "sixty-six billion, seven hundred forty million, four hundred eleven thousand, eighty".