66670361711 has 8 divisors (see below), whose sum is σ = 70841595024. Its totient is φ = 62526844800.

The previous prime is 66670361687. The next prime is 66670361731. The reversal of 66670361711 is 11716307666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66670361711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66670361731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6924140 + ... + 6933761.

It is an arithmetic number, because the mean of its divisors is an integer number (8855199378).

Almost surely, 2^66670361711 is an apocalyptic number.

66670361711 is a deficient number, since it is larger than the sum of its proper divisors (4171233313).

66670361711 is a wasteful number, since it uses less digits than its factorization.

66670361711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13858201.

The product of its (nonzero) digits is 190512, while the sum is 44.

The spelling of 66670361711 in words is "sixty-six billion, six hundred seventy million, three hundred sixty-one thousand, seven hundred eleven".