1330066716381 has 24 divisors (see below), whose sum is σ = 2071506784256. Its totient is φ = 817508000160.

The previous prime is 1330066716359. The next prime is 1330066716389. The reversal of 1330066716381 is 1836176600331.

1330066716381 is a `hidden beast` number, since 1 + 3 + 3 + 0 + 0 + 6 + 6 + 7 + 1 + 638 + 1 = 666.

It is not a de Polignac number, because 1330066716381 - 2⁶ = 1330066716317 is a prime.

It is a super-2 number, since 2×1330066716381² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330066716389) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6810205 + ... + 7002786.

Almost surely, 2^{1330066716381} is an apocalyptic number.

It is an amenable number.

1330066716381 is a deficient number, since it is larger than the sum of its proper divisors (741440067875).

1330066716381 is a wasteful number, since it uses less digits than its factorization.

1330066716381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13813833 (or 13813830 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 1330066716381 in words is "one trillion, three hundred thirty billion, sixty-six million, seven hundred sixteen thousand, three hundred eighty-one".