16510001005660 has 96 divisors (see below), whose sum is σ = 34854551424000. Its totient is φ = 6569155608576.

The previous prime is 16510001005639. The next prime is 16510001005679. The reversal of 16510001005660 is 6650010001561.

It is a super-2 number, since 2×16510001005660² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7282751847 + ... + 7282754113.

It is an arithmetic number, because the mean of its divisors is an integer number (363068244000).

Almost surely, 2^{16510001005660} is an apocalyptic number.

16510001005660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16510001005660 is an abundant number, since it is smaller than the sum of its proper divisors (18344550418340).

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

16510001005660 is a wasteful number, since it uses less digits than its factorization.

16510001005660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4723 (or 4721 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 16510001005660 in words is "sixteen trillion, five hundred ten billion, one million, five thousand, six hundred sixty".