66716000570 has 16 divisors (see below), whose sum is σ = 120130449408. Its totient is φ = 26677145040.

The previous prime is 66716000543. The next prime is 66716000609. The reversal of 66716000570 is 7500061766.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1126586 + ... + 1184325.

It is an arithmetic number, because the mean of its divisors is an integer number (7508153088).

Almost surely, 2^66716000570 is an apocalyptic number.

66716000570 is a deficient number, since it is larger than the sum of its proper divisors (53414448838).

66716000570 is a wasteful number, since it uses less digits than its factorization.

66716000570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313805.

The product of its (nonzero) digits is 52920, while the sum is 38.

The spelling of 66716000570 in words is "sixty-six billion, seven hundred sixteen million, five hundred seventy", and thus it is an aban number.