66700110384 has 120 divisors (see below), whose sum is σ = 192832134144. Its totient is φ = 21500208000.

The previous prime is 66700110371. The next prime is 66700110391. The reversal of 66700110384 is 48301100766.

66700110384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7008189 + ... + 7017699.

Almost surely, 2^66700110384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66700110384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96416067072).

66700110384 is an abundant number, since it is smaller than the sum of its proper divisors (126132023760).

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

66700110384 is a wasteful number, since it uses less digits than its factorization.

66700110384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11127 (or 11118 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 66700110384 in words is "sixty-six billion, seven hundred million, one hundred ten thousand, three hundred eighty-four".