16920055336 has 16 divisors (see below), whose sum is σ = 32819073300. Its totient is φ = 8168302464.

The previous prime is 16920055333. The next prime is 16920055349. The reversal of 16920055336 is 63355002961.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16721076100 + 198979236 = 129310^2 + 14106^2 .

It is not an unprimeable number, because it can be changed into a prime (16920055333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36465405 + ... + 36465868.

Almost surely, 2^16920055336 is an apocalyptic number.

It is an amenable number.

16920055336 is a deficient number, since it is larger than the sum of its proper divisors (15899017964).

16920055336 is a wasteful number, since it uses less digits than its factorization.

16920055336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72931308 (or 72931304 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 40.

The spelling of 16920055336 in words is "sixteen billion, nine hundred twenty million, fifty-five thousand, three hundred thirty-six".