16696199520 has 1512 divisors, whose sum is σ = 80446041648. Its totient is φ = 3202467840.

The previous prime is 16696199501. The next prime is 16696199561. The reversal of 16696199520 is 2599169661.

16696199520 is a `hidden beast` number, since 16 + 6 + 9 + 619 + 9 + 5 + 2 + 0 = 666.

16696199520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (1512).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 251 ways as a sum of consecutive naturals, for example, 1284323034 + ... + 1284323046.

It is an arithmetic number, because the mean of its divisors is an integer number (53205054).

Almost surely, 2^16696199520 is an apocalyptic number.

16696199520 is a gapful number since it is divisible by the number (10) 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 16696199520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40223020824).

16696199520 is an abundant number, since it is smaller than the sum of its proper divisors (63749842128).

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

16696199520 is a wasteful number, since it uses less digits than its factorization.

16696199520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 54.

The spelling of 16696199520 in words is "sixteen billion, six hundred ninety-six million, one hundred ninety-nine thousand, five hundred twenty".