16660188662 has 24 divisors (see below), whose sum is σ = 27068379120. Its totient is φ = 7687074720.

The previous prime is 16660188641. The next prime is 16660188673. The reversal of 16660188662 is 26688106661.

It is a self number, because there is not a number n which added to its sum of digits gives 16660188662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1901612 + ... + 1910352.

It is an arithmetic number, because the mean of its divisors is an integer number (1127849130).

Almost surely, 2^16660188662 is an apocalyptic number.

16660188662 is a deficient number, since it is larger than the sum of its proper divisors (10408190458).

16660188662 is a wasteful number, since it uses less digits than its factorization.

16660188662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14408 (or 14395 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 16660188662 in words is "sixteen billion, six hundred sixty million, one hundred eighty-eight thousand, six hundred sixty-two".