66874133474 has 8 divisors (see below), whose sum is σ = 100467207120. Its totient is φ = 33385064436.

The previous prime is 66874133453. The next prime is 66874133477. The reversal of 66874133474 is 47433147866.

It is a happy number.

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 (66874133477) 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, 25999544 + ... + 26002115.

It is an arithmetic number, because the mean of its divisors is an integer number (12558400890).

Almost surely, 2^66874133474 is an apocalyptic number.

66874133474 is a deficient number, since it is larger than the sum of its proper divisors (33593073646).

66874133474 is a wasteful number, since it uses less digits than its factorization.

66874133474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52002304.

The product of its digits is 8128512, while the sum is 53.

The spelling of 66874133474 in words is "sixty-six billion, eight hundred seventy-four million, one hundred thirty-three thousand, four hundred seventy-four".