194868934111488 has 576 divisors, whose sum is σ = 642845598054912. Its totient is φ = 51030156902400.

The previous prime is 194868934111469. The next prime is 194868934111541. The reversal of 194868934111488 is 884111439868491.

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, 17566832470 + ... + 17566843562.

It is an arithmetic number, because the mean of its divisors is an integer number (1116051385512).

Almost surely, 2^{194868934111488} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194868934111488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321422799027456).

194868934111488 is an abundant number, since it is smaller than the sum of its proper divisors (447976663943424).

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

194868934111488 is a wasteful number, since it uses less digits than its factorization.

194868934111488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12890 (or 12876 counting only the distinct ones).

The product of its digits is 382205952, while the sum is 75.

The spelling of 194868934111488 in words is "one hundred ninety-four trillion, eight hundred sixty-eight billion, nine hundred thirty-four million, one hundred eleven thousand, four hundred eighty-eight".