99999616016008 has 16 divisors (see below), whose sum is σ = 187513600800780. Its totient is φ = 49995989135808.

The previous prime is 99999616015963. The next prime is 99999616016029. The reversal of 99999616016008 is 80061061699999.

It can be written as a sum of positive squares in 2 ways, for example, as 80477728599844 + 19521887416164 = 8970938^2 + 4418358^2 .

It is a super-2 number, since 2×99999616016008² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477247735 + ... + 477457222.

Almost surely, 2^{99999616016008} is an apocalyptic number.

It is an amenable number.

99999616016008 is a deficient number, since it is larger than the sum of its proper divisors (87513984784772).

99999616016008 is a wasteful number, since it uses less digits than its factorization.

99999616016008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954718056 (or 954718052 counting only the distinct ones).

The product of its (nonzero) digits is 102036672, while the sum is 73.

The spelling of 99999616016008 in words is "ninety-nine trillion, nine hundred ninety-nine billion, six hundred sixteen million, sixteen thousand, eight".