66670407074 has 8 divisors (see below), whose sum is σ = 100006714368. Its totient is φ = 33334835620.

The previous prime is 66670407047. The next prime is 66670407079. The reversal of 66670407074 is 47070407666.

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

It is not an unprimeable number, because it can be changed into a prime (66670407079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219719 + ... + 426165.

It is an arithmetic number, because the mean of its divisors is an integer number (12500839296).

Almost surely, 2^66670407074 is an apocalyptic number.

66670407074 is a deficient number, since it is larger than the sum of its proper divisors (33336307294).

66670407074 is a wasteful number, since it uses less digits than its factorization.

66670407074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367920.

The product of its (nonzero) digits is 1185408, while the sum is 47.

The spelling of 66670407074 in words is "sixty-six billion, six hundred seventy million, four hundred seven thousand, seventy-four".