66475324474 has 32 divisors (see below), whose sum is σ = 109021973760. Its totient is φ = 30213006912.

The previous prime is 66475324427. The next prime is 66475324499. The reversal of 66475324474 is 47442357466.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8774152 + ... + 8781724.

It is an arithmetic number, because the mean of its divisors is an integer number (3406936680).

Almost surely, 2^66475324474 is an apocalyptic number.

66475324474 is a deficient number, since it is larger than the sum of its proper divisors (42546649286).

66475324474 is a wasteful number, since it uses less digits than its factorization.

66475324474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12694.

The product of its digits is 13547520, while the sum is 52.

The spelling of 66475324474 in words is "sixty-six billion, four hundred seventy-five million, three hundred twenty-four thousand, four hundred seventy-four".