66376700880 has 160 divisors (see below), whose sum is σ = 235839072000. Its totient is φ = 15128211456.

The previous prime is 66376700783. The next prime is 66376700917. The reversal of 66376700880 is 8800767366.

66376700880 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 an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 529716 + ... + 642924.

It is an arithmetic number, because the mean of its divisors is an integer number (1473994200).

Almost surely, 2^66376700880 is an apocalyptic number.

66376700880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66376700880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117919536000).

66376700880 is an abundant number, since it is smaller than the sum of its proper divisors (169462371120).

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

66376700880 is a wasteful number, since it uses less digits than its factorization.

66376700880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113581 (or 113575 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 66376700880 in words is "sixty-six billion, three hundred seventy-six million, seven hundred thousand, eight hundred eighty".