8193113657605 has 64 divisors (see below), whose sum is σ = 10789001625600. Its totient is φ = 5949689760000.

The previous prime is 8193113657563. The next prime is 8193113657623. The reversal of 8193113657605 is 5067563113918.

It is a de Polignac number, because none of the positive numbers 2^k-8193113657605 is a prime.

It is a super-2 number, since 2×8193113657605² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 472189680 + ... + 472207030.

It is an arithmetic number, because the mean of its divisors is an integer number (168578150400).

Almost surely, 2^{8193113657605} is an apocalyptic number.

It is an amenable number.

8193113657605 is a deficient number, since it is larger than the sum of its proper divisors (2595887967995).

8193113657605 is a wasteful number, since it uses less digits than its factorization.

8193113657605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18986.

The product of its (nonzero) digits is 4082400, while the sum is 55.

The spelling of 8193113657605 in words is "eight trillion, one hundred ninety-three billion, one hundred thirteen million, six hundred fifty-seven thousand, six hundred five".