100064664225721 has 8 divisors (see below), whose sum is σ = 110390286238344. Its totient is φ = 90114519377280.

The previous prime is 100064664225653. The next prime is 100064664225833. The reversal of 100064664225721 is 127522466460001.

It can be written as a sum of positive squares in 4 ways, for example, as 1392447200400 + 98672217025321 = 1180020^2 + 9933389^2 .

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 100064664225721 - 2⁷ = 100064664225593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100064664325721) 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, 93869290486 + ... + 93869291551.

It is an arithmetic number, because the mean of its divisors is an integer number (13798785779793).

Almost surely, 2^{100064664225721} is an apocalyptic number.

It is an amenable number.

100064664225721 is a deficient number, since it is larger than the sum of its proper divisors (10325622012623).

100064664225721 is a wasteful number, since it uses less digits than its factorization.

100064664225721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187738582091.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 100064664225721 in words is "one hundred trillion, sixty-four billion, six hundred sixty-four million, two hundred twenty-five thousand, seven hundred twenty-one".