16706689144 has 8 divisors (see below), whose sum is σ = 31325042160. Its totient is φ = 8353344568.

The previous prime is 16706689133. The next prime is 16706689163. The reversal of 16706689144 is 44198660761.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×16706689144² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16706689091 and 16706689100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1044168064 + ... + 1044168079.

It is an arithmetic number, because the mean of its divisors is an integer number (3915630270).

Almost surely, 2^16706689144 is an apocalyptic number.

It is an amenable number.

16706689144 is a deficient number, since it is larger than the sum of its proper divisors (14618353016).

16706689144 is a wasteful number, since it uses less digits than its factorization.

16706689144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088336149 (or 2088336145 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 16706689144 in words is "sixteen billion, seven hundred six million, six hundred eighty-nine thousand, one hundred forty-four".