189508724086 has 16 divisors (see below), whose sum is σ = 310161129408. Its totient is φ = 86124789000.

The previous prime is 189508724071. The next prime is 189508724099. The reversal of 189508724086 is 680427805981.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 189508724086.

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, 651840 + ... + 896611.

It is an arithmetic number, because the mean of its divisors is an integer number (19385070588).

Almost surely, 2^189508724086 is an apocalyptic number.

189508724086 is a deficient number, since it is larger than the sum of its proper divisors (120652405322).

189508724086 is a wasteful number, since it uses less digits than its factorization.

189508724086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554027.

The product of its (nonzero) digits is 7741440, while the sum is 58.

The spelling of 189508724086 in words is "one hundred eighty-nine billion, five hundred eight million, seven hundred twenty-four thousand, eighty-six".