66711066670410 has 16 divisors (see below), whose sum is σ = 160106560009056. Its totient is φ = 17789617778768.

The previous prime is 66711066670379. The next prime is 66711066670427. The reversal of 66711066670410 is 1407666011766.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1111851111144 + ... + 1111851111203.

It is an arithmetic number, because the mean of its divisors is an integer number (10006660000566).

Almost surely, 2^{66711066670410} is an apocalyptic number.

66711066670410 is an abundant number, since it is smaller than the sum of its proper divisors (93395493338646).

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

66711066670410 is a wasteful number, since it uses less digits than its factorization.

66711066670410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223702222357.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 66711066670410 in words is "sixty-six trillion, seven hundred eleven billion, sixty-six million, six hundred seventy thousand, four hundred ten".