189641616 has 40 divisors (see below), whose sum is σ = 500337024. Its totient is φ = 61868160.

The previous prime is 189641609. The next prime is 189641651. The reversal of 189641616 is 616146981.

189641616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 39775 + ... + 44286.

Almost surely, 2^189641616 is an apocalyptic number.

189641616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

189641616 is an abundant number, since it is smaller than the sum of its proper divisors (310695408).

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

189641616 is a wasteful number, since it uses less digits than its factorization.

189641616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84119 (or 84113 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 189641616 is about 13771.0426620500. The cubic root of 189641616 is about 574.5280220175.

The spelling of 189641616 in words is "one hundred eighty-nine million, six hundred forty-one thousand, six hundred sixteen".