66704001016 has 16 divisors (see below), whose sum is σ = 125534950200. Its totient is φ = 33228014304.

The previous prime is 66704000999. The next prime is 66704001019. The reversal of 66704001016 is 61010040766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66704001019) 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, 15495990 + ... + 15500293.

Almost surely, 2^66704001016 is an apocalyptic number.

It is an amenable number.

66704001016 is a deficient number, since it is larger than the sum of its proper divisors (58830949184).

66704001016 is a wasteful number, since it uses less digits than its factorization.

66704001016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30996558 (or 30996554 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 66704001016 in words is "sixty-six billion, seven hundred four million, one thousand, sixteen".