66726710000 has 50 divisors (see below), whose sum is σ = 161552061792. Its totient is φ = 26690680000.

The previous prime is 66726709993. The next prime is 66726710023. The reversal of 66726710000 is 1762766.

66726710000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3326336 + ... + 3346335.

Almost surely, 2^66726710000 is an apocalyptic number.

It is an amenable number.

66726710000 is an abundant number, since it is smaller than the sum of its proper divisors (94825351792).

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

66726710000 is an equidigital number, since it uses as much as digits as its factorization.

66726710000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6672699 (or 6672678 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The spelling of 66726710000 in words is "sixty-six billion, seven hundred twenty-six million, seven hundred ten thousand".