189446616 has 24 divisors (see below), whose sum is σ = 513084780. Its totient is φ = 63148848.

The previous prime is 189446573. The next prime is 189446617. The reversal of 189446616 is 616644981.

189446616 is a `hidden beast` number, since 189 + 4 + 466 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189446617) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1315530 + ... + 1315673.

Almost surely, 2^189446616 is an apocalyptic number.

It is an amenable number.

189446616 is an abundant number, since it is smaller than the sum of its proper divisors (323638164).

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

189446616 is a wasteful number, since it uses less digits than its factorization.

189446616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631215 (or 2631208 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 189446616 is about 13763.9607671629. The cubic root of 189446616 is about 574.3310339862.

The spelling of 189446616 in words is "one hundred eighty-nine million, four hundred forty-six thousand, six hundred sixteen".