66675488814 has 24 divisors (see below), whose sum is σ = 157596610392. Its totient is φ = 20204693520.

The previous prime is 66675488813. The next prime is 66675488819. The reversal of 66675488814 is 41888457666.

66675488814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66675488813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168372249 + ... + 168372644.

It is an arithmetic number, because the mean of its divisors is an integer number (6566525433).

Almost surely, 2^66675488814 is an apocalyptic number.

66675488814 is an abundant number, since it is smaller than the sum of its proper divisors (90921121578).

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

66675488814 is a wasteful number, since it uses less digits than its factorization.

66675488814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336744912 (or 336744909 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 63.

The spelling of 66675488814 in words is "sixty-six billion, six hundred seventy-five million, four hundred eighty-eight thousand, eight hundred fourteen".