66717644012302 has 16 divisors (see below), whose sum is σ = 100302025254480. Its totient is φ = 33283703241792.

The previous prime is 66717644012207. The next prime is 66717644012359. The reversal of 66717644012302 is 20321044671766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14938168 + ... + 18883435.

It is an arithmetic number, because the mean of its divisors is an integer number (6268876578405).

Almost surely, 2^{66717644012302} is an apocalyptic number.

66717644012302 is a deficient number, since it is larger than the sum of its proper divisors (33584381242178).

66717644012302 is a wasteful number, since it uses less digits than its factorization.

66717644012302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33823827.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 66717644012302 in words is "sixty-six trillion, seven hundred seventeen billion, six hundred forty-four million, twelve thousand, three hundred two".