9661167351216 has 80 divisors (see below), whose sum is σ = 27763412611200. Its totient is φ = 3216639995712.

The previous prime is 9661167351167. The next prime is 9661167351221. The reversal of 9661167351216 is 6121537611669.

9661167351216 is a `hidden beast` number, since 9 + 6 + 6 + 11 + 67 + 351 + 216 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12646266 + ... + 13388441.

It is an arithmetic number, because the mean of its divisors is an integer number (347042657640).

Almost surely, 2^{9661167351216} is an apocalyptic number.

It is an amenable number.

9661167351216 is an abundant number, since it is smaller than the sum of its proper divisors (18102245259984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9661167351216 is a wasteful number, since it uses less digits than its factorization.

9661167351216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26035583 (or 26035571 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The spelling of 9661167351216 in words is "nine trillion, six hundred sixty-one billion, one hundred sixty-seven million, three hundred fifty-one thousand, two hundred sixteen".