16723812688 has 40 divisors (see below), whose sum is σ = 35640236736. Its totient is φ = 7601723360.

The previous prime is 16723812653. The next prime is 16723812689. The reversal of 16723812688 is 88621832761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16723812689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371356 + ... + 413947.

Almost surely, 2^16723812688 is an apocalyptic number.

It is an amenable number.

16723812688 is an abundant number, since it is smaller than the sum of its proper divisors (18916424048).

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

16723812688 is an equidigital number, since it uses as much as digits as its factorization.

16723812688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785344 (or 785316 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 52.

The spelling of 16723812688 in words is "sixteen billion, seven hundred twenty-three million, eight hundred twelve thousand, six hundred eighty-eight".