66704033374 has 32 divisors (see below), whose sum is σ = 110322155520. Its totient is φ = 29995476000.

The previous prime is 66704033353. The next prime is 66704033393. The reversal of 66704033374 is 47333040766.

It is a self number, because there is not a number n which added to its sum of digits gives 66704033374.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2883747 + ... + 2906785.

It is an arithmetic number, because the mean of its divisors is an integer number (3447567360).

Almost surely, 2^66704033374 is an apocalyptic number.

66704033374 is a deficient number, since it is larger than the sum of its proper divisors (43618122146).

66704033374 is a wasteful number, since it uses less digits than its factorization.

66704033374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24456.

The product of its (nonzero) digits is 762048, while the sum is 43.

The spelling of 66704033374 in words is "sixty-six billion, seven hundred four million, thirty-three thousand, three hundred seventy-four".