8966485156321 has 64 divisors (see below), whose sum is σ = 11894874292224. Its totient is φ = 6543574041600.

The previous prime is 8966485156313. The next prime is 8966485156331. The reversal of 8966485156321 is 1236515846698.

It is a cyclic number.

It is not a de Polignac number, because 8966485156321 - 2³ = 8966485156313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8966485156331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 221445540 + ... + 221486026.

It is an arithmetic number, because the mean of its divisors is an integer number (185857410816).

Almost surely, 2^{8966485156321} is an apocalyptic number.

It is an amenable number.

8966485156321 is a deficient number, since it is larger than the sum of its proper divisors (2928389135903).

8966485156321 is a wasteful number, since it uses less digits than its factorization.

8966485156321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41350.

The product of its digits is 74649600, while the sum is 64.

The spelling of 8966485156321 in words is "eight trillion, nine hundred sixty-six billion, four hundred eighty-five million, one hundred fifty-six thousand, three hundred twenty-one".