199617016 has 8 divisors (see below), whose sum is σ = 374281920. Its totient is φ = 99808504.

The previous prime is 199617013. The next prime is 199617049. The reversal of 199617016 is 610716991.

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

It is a self number, because there is not a number n which added to its sum of digits gives 199617016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199617013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12476056 + ... + 12476071.

It is an arithmetic number, because the mean of its divisors is an integer number (46785240).

Almost surely, 2^199617016 is an apocalyptic number.

It is an amenable number.

199617016 is a deficient number, since it is larger than the sum of its proper divisors (174664904).

199617016 is a wasteful number, since it uses less digits than its factorization.

199617016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24952133 (or 24952129 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 199617016 is about 14128.5886060852. The cubic root of 199617016 is about 584.4300251159.

The spelling of 199617016 in words is "one hundred ninety-nine million, six hundred seventeen thousand, sixteen".