193161008568 has 64 divisors (see below), whose sum is σ = 554529225600. Its totient is φ = 55452919680.

The previous prime is 193161008567. The next prime is 193161008609. The reversal of 193161008568 is 865800161391.

It is a super-2 number, since 2×193161008568² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193161008567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19249471 + ... + 19259502.

It is an arithmetic number, because the mean of its divisors is an integer number (8664519150).

Almost surely, 2^193161008568 is an apocalyptic number.

It is an amenable number.

193161008568 is an abundant number, since it is smaller than the sum of its proper divisors (361368217032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

193161008568 is a wasteful number, since it uses less digits than its factorization.

193161008568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38509012 (or 38509008 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 48.

The spelling of 193161008568 in words is "one hundred ninety-three billion, one hundred sixty-one million, eight thousand, five hundred sixty-eight".