16706617663320 has 128 divisors (see below), whose sum is σ = 59972473713600. Its totient is φ = 4112398190592.

The previous prime is 16706617663283. The next prime is 16706617663327. The reversal of 16706617663320 is 2336671660761.

It is a happy number.

16706617663320 is a `hidden beast` number, since 16 + 7 + 0 + 6 + 617 + 6 + 6 + 3 + 3 + 2 + 0 = 666.

It is a super-2 number, since 2×16706617663320² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16706617663327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 594950977 + ... + 594979056.

Almost surely, 2^{16706617663320} is an apocalyptic number.

16706617663320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16706617663320 is an abundant number, since it is smaller than the sum of its proper divisors (43265856050280).

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

16706617663320 is a wasteful number, since it uses less digits than its factorization.

16706617663320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189930066 (or 1189930056 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 54.

The spelling of 16706617663320 in words is "sixteen trillion, seven hundred six billion, six hundred seventeen million, six hundred sixty-three thousand, three hundred twenty".