16920723032 has 16 divisors (see below), whose sum is σ = 32820368400. Its totient is φ = 8168624800.

The previous prime is 16920722939. The next prime is 16920723037. The reversal of 16920723032 is 23032702961.

It is a junction number, because it is equal to n+sod(n) for n = 16920722983 and 16920723001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16920723037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36466844 + ... + 36467307.

It is an arithmetic number, because the mean of its divisors is an integer number (2051273025).

Almost surely, 2^16920723032 is an apocalyptic number.

It is an amenable number.

16920723032 is a deficient number, since it is larger than the sum of its proper divisors (15899645368).

16920723032 is a wasteful number, since it uses less digits than its factorization.

16920723032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72934186 (or 72934182 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 16920723032 in words is "sixteen billion, nine hundred twenty million, seven hundred twenty-three thousand, thirty-two".