16688013524 has 96 divisors (see below), whose sum is σ = 36540596736. Its totient is φ = 6492648960.

The previous prime is 16688013497. The next prime is 16688013553. The reversal of 16688013524 is 42531088661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19563482 + ... + 19564334.

It is an arithmetic number, because the mean of its divisors is an integer number (380631216).

Almost surely, 2^16688013524 is an apocalyptic number.

16688013524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16688013524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18270298368).

16688013524 is an abundant number, since it is smaller than the sum of its proper divisors (19852583212).

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

16688013524 is a wasteful number, since it uses less digits than its factorization.

16688013524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705 (or 1703 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 16688013524 in words is "sixteen billion, six hundred eighty-eight million, thirteen thousand, five hundred twenty-four".