9966059151321 has 96 divisors (see below), whose sum is σ = 16564603680000. Its totient is φ = 5218445067264.

The previous prime is 9966059151311. The next prime is 9966059151331. The reversal of 9966059151321 is 1231519506699.

It is an interprime number because it is at equal distance from previous prime (9966059151311) and next prime (9966059151331).

It is not a de Polignac number, because 9966059151321 - 2⁵ = 9966059151289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9966059151311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1094084715 + ... + 1094093823.

It is an arithmetic number, because the mean of its divisors is an integer number (172547955000).

Almost surely, 2^{9966059151321} is an apocalyptic number.

9966059151321 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

9966059151321 is a deficient number, since it is larger than the sum of its proper divisors (6598544528679).

9966059151321 is a wasteful number, since it uses less digits than its factorization.

9966059151321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11363 (or 11350 counting only the distinct ones).

The product of its (nonzero) digits is 3936600, while the sum is 57.

The spelling of 9966059151321 in words is "nine trillion, nine hundred sixty-six billion, fifty-nine million, one hundred fifty-one thousand, three hundred twenty-one".