84194159564 has 24 divisors (see below), whose sum is σ = 157637046000. Its totient is φ = 39227647680.

The previous prime is 84194159537. The next prime is 84194159579. The reversal of 84194159564 is 46595149148.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9075839 + ... + 9085110.

It is an arithmetic number, because the mean of its divisors is an integer number (6568210250).

Almost surely, 2^84194159564 is an apocalyptic number.

It is an amenable number.

84194159564 is a deficient number, since it is larger than the sum of its proper divisors (73442886436).

84194159564 is a wasteful number, since it uses less digits than its factorization.

84194159564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18161033 (or 18161031 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 56.

The spelling of 84194159564 in words is "eighty-four billion, one hundred ninety-four million, one hundred fifty-nine thousand, five hundred sixty-four".