8493128166701 has 4 divisors (see below), whose sum is σ = 8496952179804. Its totient is φ = 8489304153600.

The previous prime is 8493128166659. The next prime is 8493128166707. The reversal of 8493128166701 is 1076618213948.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2863114421476 + 5630013745225 = 1692074^2 + 2372765^2 .

It is a cyclic number.

It is not a de Polignac number, because 8493128166701 - 2¹⁰ = 8493128165677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8493128166707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1912003220 + ... + 1912007661.

It is an arithmetic number, because the mean of its divisors is an integer number (2124238044951).

Almost surely, 2^{8493128166701} is an apocalyptic number.

It is an amenable number.

8493128166701 is a deficient number, since it is larger than the sum of its proper divisors (3824013103).

8493128166701 is a wasteful number, since it uses less digits than its factorization.

8493128166701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824013102.

The product of its (nonzero) digits is 3483648, while the sum is 56.

The spelling of 8493128166701 in words is "eight trillion, four hundred ninety-three billion, one hundred twenty-eight million, one hundred sixty-six thousand, seven hundred one".