66704000998 has 8 divisors (see below), whose sum is σ = 100075825800. Its totient is φ = 33345392400.

The previous prime is 66704000939. The next prime is 66704000999. The reversal of 66704000998 is 89900040766.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66704000999) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3291423 + ... + 3311626.

It is an arithmetic number, because the mean of its divisors is an integer number (12509478225).

Almost surely, 2^66704000998 is an apocalyptic number.

66704000998 is a deficient number, since it is larger than the sum of its proper divisors (33371824802).

66704000998 is a wasteful number, since it uses less digits than its factorization.

66704000998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6608102.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 66704000998 in words is "sixty-six billion, seven hundred four million, nine hundred ninety-eight", and thus it is an aban number.