66660506011070 has 64 divisors (see below), whose sum is σ = 124623062174016. Its totient is φ = 25652597022720.

The previous prime is 66660506011013. The next prime is 66660506011097. The reversal of 66660506011070 is 7011060506666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158328977 + ... + 158749443.

It is an arithmetic number, because the mean of its divisors is an integer number (1947235346469).

Almost surely, 2^{66660506011070} is an apocalyptic number.

66660506011070 is a deficient number, since it is larger than the sum of its proper divisors (57962556162946).

66660506011070 is a wasteful number, since it uses less digits than its factorization.

66660506011070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425885.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 66660506011070 in words is "sixty-six trillion, six hundred sixty billion, five hundred six million, eleven thousand, seventy".