16922165686336 has 63 divisors (see below), whose sum is σ = 33753673835037. Its totient is φ = 8417527453440.

The previous prime is 16922165686333. The next prime is 16922165686627. The reversal of 16922165686336 is 63368656122961.

The square root of 16922165686336 is 4113656.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 15937022094400 + 985143591936 = 3992120^2 + 992544^2 .

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16922165686331) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6943850110 + ... + 6943852546.

Almost surely, 2^{16922165686336} is an apocalyptic number.

16922165686336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

16922165686336 is the 4113656-th square number.

It is an amenable number.

16922165686336 is a deficient number, since it is larger than the sum of its proper divisors (16831508148701).

16922165686336 is an frugal number, since it uses more digits than its factorization.

16922165686336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5308 (or 2650 counting only the distinct ones).

The product of its digits is 100776960, while the sum is 64.

16922165686336 divided by its sum of digits (64) gives a square (264408838849 = 514207²).

The spelling of 16922165686336 in words is "sixteen trillion, nine hundred twenty-two billion, one hundred sixty-five million, six hundred eighty-six thousand, three hundred thirty-six".