17984134805952 has 56 divisors (see below), whose sum is σ = 54380598107776. Its totient is φ = 5138324229888.

The previous prime is 17984134805939. The next prime is 17984134805977. The reversal of 17984134805952 is 25950843148971.

It is a tau number, because it is divible by the number of its divisors (56).

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, 6690524998 + ... + 6690527685.

Almost surely, 2^{17984134805952} is an apocalyptic number.

17984134805952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

17984134805952 is an abundant number, since it is smaller than the sum of its proper divisors (36396463301824).

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

17984134805952 is a wasteful number, since it uses less digits than its factorization.

17984134805952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13381052705 (or 13381052695 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 66.

The spelling of 17984134805952 in words is "seventeen trillion, nine hundred eighty-four billion, one hundred thirty-four million, eight hundred five thousand, nine hundred fifty-two".