7138375321066 has 16 divisors (see below), whose sum is σ = 11681751558240. Its totient is φ = 3244501121680.

The previous prime is 7138375320991. The next prime is 7138375321123. The reversal of 7138375321066 is 6601235738317.

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, 10406761 + ... + 11071468.

It is an arithmetic number, because the mean of its divisors is an integer number (730109472390).

Almost surely, 2^{7138375321066} is an apocalyptic number.

7138375321066 is a deficient number, since it is larger than the sum of its proper divisors (4543376237174).

7138375321066 is a wasteful number, since it uses less digits than its factorization.

7138375321066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21493349.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 7138375321066 in words is "seven trillion, one hundred thirty-eight billion, three hundred seventy-five million, three hundred twenty-one thousand, sixty-six".