194315614688 has 48 divisors (see below), whose sum is σ = 412068184416. Its totient is φ = 89666342400.

The previous prime is 194315614667. The next prime is 194315614699. The reversal of 194315614688 is 886416513491.

It is a super-2 number, since 2×194315614688² (a number of 23 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 7 ways as a sum of consecutive naturals, for example, 2182370 + ... + 2269662.

It is an arithmetic number, because the mean of its divisors is an integer number (8584753842).

Almost surely, 2^194315614688 is an apocalyptic number.

It is an amenable number.

194315614688 is an abundant number, since it is smaller than the sum of its proper divisors (217752569728).

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

194315614688 is a wasteful number, since it uses less digits than its factorization.

194315614688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92667 (or 92659 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 56.

The spelling of 194315614688 in words is "one hundred ninety-four billion, three hundred fifteen million, six hundred fourteen thousand, six hundred eighty-eight".