189516344 has 8 divisors (see below), whose sum is σ = 355343160. Its totient is φ = 94758168.

The previous prime is 189516311. The next prime is 189516359. The reversal of 189516344 is 443615981.

189516344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11844764 + ... + 11844779.

It is an arithmetic number, because the mean of its divisors is an integer number (44417895).

Almost surely, 2^189516344 is an apocalyptic number.

It is an amenable number.

189516344 is a deficient number, since it is larger than the sum of its proper divisors (165826816).

189516344 is a wasteful number, since it uses less digits than its factorization.

189516344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23689549 (or 23689545 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 189516344 is about 13766.4935259492. The cubic root of 189516344 is about 574.4014883847.

The spelling of 189516344 in words is "one hundred eighty-nine million, five hundred sixteen thousand, three hundred forty-four".