16216120996 has 6 divisors (see below), whose sum is σ = 28378211750. Its totient is φ = 8108060496.

The previous prime is 16216120967. The next prime is 16216121003. The reversal of 16216120996 is 69902161261.

It can be written as a sum of positive squares in only one way, i.e., 16214456896 + 1664100 = 127336^2 + 1290^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2027015121 + ... + 2027015128.

Almost surely, 2^16216120996 is an apocalyptic number.

It is an amenable number.

16216120996 is a deficient number, since it is larger than the sum of its proper divisors (12162090754).

16216120996 is a wasteful number, since it uses less digits than its factorization.

16216120996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054030253 (or 4054030251 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 43.

The spelling of 16216120996 in words is "sixteen billion, two hundred sixteen million, one hundred twenty thousand, nine hundred ninety-six".