8091703646464 has 27 divisors (see below), whose sum is σ = 16151889925227. Its totient is φ = 4045829066496.

The previous prime is 8091703646461. The next prime is 8091703646489. The reversal of 8091703646464 is 4646463071908.

The square root of 8091703646464 is 2844592.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8091703646399 and 8091703646408.

It is not an unprimeable number, because it can be changed into a prime (8091703646461) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 45424579 + ... + 45602365.

Almost surely, 2^{8091703646464} is an apocalyptic number.

8091703646464 is the 2844592-nd square number.

It is an amenable number.

8091703646464 is a deficient number, since it is larger than the sum of its proper divisors (8060186278763).

8091703646464 is an frugal number, since it uses more digits than its factorization.

8091703646464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355590 (or 177789 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 58.

The spelling of 8091703646464 in words is "eight trillion, ninety-one billion, seven hundred three million, six hundred forty-six thousand, four hundred sixty-four".