10664166364321 has 8 divisors (see below), whose sum is σ = 11008582745600. Its totient is φ = 10319775671520.

The previous prime is 10664166364273. The next prime is 10664166364361. The reversal of 10664166364321 is 12346366146601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10664166364321 - 2¹¹ = 10664166362273 is a prime.

It is a super-2 number, since 2×10664166364321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10664166364361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5576676 + ... + 7240693.

It is an arithmetic number, because the mean of its divisors is an integer number (1376072843200).

Almost surely, 2^{10664166364321} is an apocalyptic number.

It is an amenable number.

10664166364321 is a deficient number, since it is larger than the sum of its proper divisors (344416381279).

10664166364321 is a wasteful number, since it uses less digits than its factorization.

10664166364321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12844239.

The product of its (nonzero) digits is 2239488, while the sum is 49.

The spelling of 10664166364321 in words is "ten trillion, six hundred sixty-four billion, one hundred sixty-six million, three hundred sixty-four thousand, three hundred twenty-one".