191017275059468 has 24 divisors (see below), whose sum is σ = 392720831242320. Its totient is φ = 80147108416320.

The previous prime is 191017275059461. The next prime is 191017275059483. The reversal of 191017275059468 is 864950572710191.

It is a super-2 number, since 2×191017275059468² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (191017275059461) 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, 166973141963 + ... + 166973143106.

It is an arithmetic number, because the mean of its divisors is an integer number (16363367968430).

Almost surely, 2^{191017275059468} is an apocalyptic number.

It is an amenable number.

191017275059468 is an abundant number, since it is smaller than the sum of its proper divisors (201703556182852).

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

191017275059468 is a wasteful number, since it uses less digits than its factorization.

191017275059468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333946285097 (or 333946285095 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 65.

The spelling of 191017275059468 in words is "one hundred ninety-one trillion, seventeen billion, two hundred seventy-five million, fifty-nine thousand, four hundred sixty-eight".