196187616 has 288 divisors, whose sum is σ = 656722080. Its totient is φ = 56733696.

The previous prime is 196187569. The next prime is 196187627. The reversal of 196187616 is 616781691.

196187616 is a `hidden beast` number, since 19 + 6 + 18 + 7 + 616 = 666.

196187616 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 (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5302350 + ... + 5302386.

It is an arithmetic number, because the mean of its divisors is an integer number (2280285).

Almost surely, 2^196187616 is an apocalyptic number.

196187616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196187616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328361040).

196187616 is an abundant number, since it is smaller than the sum of its proper divisors (460534464).

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

196187616 is a wasteful number, since it uses less digits than its factorization.

196187616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 78 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 196187616 is about 14006.6989687078. The cubic root of 196187616 is about 581.0638579813.

The spelling of 196187616 in words is "one hundred ninety-six million, one hundred eighty-seven thousand, six hundred sixteen".