16516155560660 has 96 divisors (see below), whose sum is σ = 41034337344000. Its totient is φ = 5463589049856.

The previous prime is 16516155560519. The next prime is 16516155560693. The reversal of 16516155560660 is 6606555161561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4378361 + ... + 7225119.

It is an arithmetic number, because the mean of its divisors is an integer number (427441014000).

Almost surely, 2^{16516155560660} is an apocalyptic number.

16516155560660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16516155560660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20517168672000).

16516155560660 is an abundant number, since it is smaller than the sum of its proper divisors (24518181783340).

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

16516155560660 is a wasteful number, since it uses less digits than its factorization.

16516155560660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848233 (or 2848231 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 53.

The spelling of 16516155560660 in words is "sixteen trillion, five hundred sixteen billion, one hundred fifty-five million, five hundred sixty thousand, six hundred sixty".