16606651656 has 64 divisors (see below), whose sum is σ = 47609654400. Its totient is φ = 4728549888.

The previous prime is 16606651631. The next prime is 16606651657. The reversal of 16606651656 is 65615660661.

It is not an unprimeable number, because it can be changed into a prime (16606651657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119461 + ... + 217908.

It is an arithmetic number, because the mean of its divisors is an integer number (743900850).

Almost surely, 2^16606651656 is an apocalyptic number.

It is an amenable number.

16606651656 is an abundant number, since it is smaller than the sum of its proper divisors (31003002744).

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

16606651656 is a wasteful number, since it uses less digits than its factorization.

16606651656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337678 (or 337674 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 16606651656 in words is "sixteen billion, six hundred six million, six hundred fifty-one thousand, six hundred fifty-six".