16451560635216 has 40 divisors (see below), whose sum is σ = 48571274257344. Its totient is φ = 4700445895680.

The previous prime is 16451560635199. The next prime is 16451560635217. The reversal of 16451560635216 is 61253606515461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16451560635217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24481488705 + ... + 24481489376.

Almost surely, 2^{16451560635216} is an apocalyptic number.

16451560635216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16451560635216 is an abundant number, since it is smaller than the sum of its proper divisors (32119713622128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16451560635216 is a wasteful number, since it uses less digits than its factorization.

16451560635216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48962978099 (or 48962978093 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 51.

The spelling of 16451560635216 in words is "sixteen trillion, four hundred fifty-one billion, five hundred sixty million, six hundred thirty-five thousand, two hundred sixteen".