99999616016056 has 16 divisors (see below), whose sum is σ = 187499536056000. Its totient is φ = 49999739734464.

The previous prime is 99999616016029. The next prime is 99999616016057. The reversal of 99999616016056 is 65061061699999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99999616016057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2016456 + ... + 14285143.

It is an arithmetic number, because the mean of its divisors is an integer number (11718721003500).

Almost surely, 2^{99999616016056} is an apocalyptic number.

It is an amenable number.

99999616016056 is a deficient number, since it is larger than the sum of its proper divisors (87499920039944).

99999616016056 is a wasteful number, since it uses less digits than its factorization.

99999616016056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17068398 (or 17068394 counting only the distinct ones).

The product of its (nonzero) digits is 382637520, while the sum is 76.

The spelling of 99999616016056 in words is "ninety-nine trillion, nine hundred ninety-nine billion, six hundred sixteen million, sixteen thousand, fifty-six".