66703340407370 has 16 divisors (see below), whose sum is σ = 122858245588320. Its totient is φ = 26060839972944.

The previous prime is 66703340407367. The next prime is 66703340407477. The reversal of 66703340407370 is 7370404330766.

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, 77562023300 + ... + 77562024159.

It is an arithmetic number, because the mean of its divisors is an integer number (7678640349270).

Almost surely, 2^{66703340407370} is an apocalyptic number.

66703340407370 is a deficient number, since it is larger than the sum of its proper divisors (56154905180950).

66703340407370 is a wasteful number, since it uses less digits than its factorization.

66703340407370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155124047509.

The product of its (nonzero) digits is 5334336, while the sum is 50.

The spelling of 66703340407370 in words is "sixty-six trillion, seven hundred three billion, three hundred forty million, four hundred seven thousand, three hundred seventy".