199723608716 has 6 divisors (see below), whose sum is σ = 349516315260. Its totient is φ = 99861804356.

The previous prime is 199723608713. The next prime is 199723608731. The reversal of 199723608716 is 617806327991.

It is a super-3 number, since 3×199723608716³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (199723608713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24965451086 + ... + 24965451093.

It is an arithmetic number, because the mean of its divisors is an integer number (58252719210).

Almost surely, 2^199723608716 is an apocalyptic number.

It is an amenable number.

199723608716 is a deficient number, since it is larger than the sum of its proper divisors (149792706544).

199723608716 is a wasteful number, since it uses less digits than its factorization.

199723608716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49930902183 (or 49930902181 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 59.

The spelling of 199723608716 in words is "one hundred ninety-nine billion, seven hundred twenty-three million, six hundred eight thousand, seven hundred sixteen".