8621934966036 has 672 divisors, whose sum is σ = 27719879040000. Its totient is φ = 2290700611584.

The previous prime is 8621934965911. The next prime is 8621934966049. The reversal of 8621934966036 is 6306694391268.

It is a happy number.

8621934966036 is a `hidden beast` number, since 8 + 6 + 2 + 19 + 3 + 4 + 9 + 6 + 603 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 11667029355 + ... + 11667030093.

It is an arithmetic number, because the mean of its divisors is an integer number (41249820000).

Almost surely, 2^{8621934966036} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8621934966036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13859939520000).

8621934966036 is an abundant number, since it is smaller than the sum of its proper divisors (19097944073964).

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

8621934966036 is a wasteful number, since it uses less digits than its factorization.

8621934966036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303 (or 1286 counting only the distinct ones).

The product of its (nonzero) digits is 60466176, while the sum is 63.

The spelling of 8621934966036 in words is "eight trillion, six hundred twenty-one billion, nine hundred thirty-four million, nine hundred sixty-six thousand, thirty-six".