189220052809984 has 81 divisors (see below), whose sum is σ = 439370005805787. Its totient is φ = 81093648072192.

The previous prime is 189220052809979. The next prime is 189220052810123. The reversal of 189220052809984 is 489908250022981.

The square root of 189220052809984 is 13755728.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1540580127 + ... + 1540702945.

Almost surely, 2^{189220052809984} is an apocalyptic number.

189220052809984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

189220052809984 is the 13755728-th square number.

It is an amenable number.

189220052809984 is an abundant number, since it is smaller than the sum of its proper divisors (250149952995803).

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

189220052809984 is an frugal number, since it uses more digits than its factorization.

189220052809984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245668 (or 122828 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 67.

The spelling of 189220052809984 in words is "one hundred eighty-nine trillion, two hundred twenty billion, fifty-two million, eight hundred nine thousand, nine hundred eighty-four".