16099776 has 224 divisors, whose sum is σ = 59496960. Its totient is φ = 4181760.

The previous prime is 16099763. The next prime is 16099777. The reversal of 16099776 is 67799061.

16099776 is digitally balanced in base 2 and base 4, because in such bases 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 (224).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16099777) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1463611 + ... + 1463621.

Almost surely, 2^16099776 is an apocalyptic number.

16099776 is a gapful number since it is divisible by the number (16) 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 16099776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29748480).

16099776 is an abundant number, since it is smaller than the sum of its proper divisors (43397184).

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

16099776 is an equidigital number, since it uses as much as digits as its factorization.

16099776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 16099776 is about 4012.4526165427. The cubic root of 16099776 is about 252.5069161260.

The spelling of 16099776 in words is "sixteen million, ninety-nine thousand, seven hundred seventy-six".