16765605660 has 24 divisors (see below), whose sum is σ = 46943696016. Its totient is φ = 4470828160.

The previous prime is 16765605641. The next prime is 16765605691. The reversal of 16765605660 is 6650656761.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139713321 + ... + 139713440.

It is an arithmetic number, because the mean of its divisors is an integer number (1955987334).

Almost surely, 2^16765605660 is an apocalyptic number.

16765605660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16765605660 is an abundant number, since it is smaller than the sum of its proper divisors (30178090356).

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

16765605660 is a wasteful number, since it uses less digits than its factorization.

16765605660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279426773 (or 279426771 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 48.

The spelling of 16765605660 in words is "sixteen billion, seven hundred sixty-five million, six hundred five thousand, six hundred sixty".