16397760 has 224 divisors, whose sum is σ = 58521600. Its totient is φ = 3870720.

The previous prime is 16397747. The next prime is 16397761. The reversal of 16397760 is 6779361.

16397760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16397761) 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, 528945 + ... + 528975.

Almost surely, 2^16397760 is an apocalyptic number.

16397760 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 16397760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29260800).

16397760 is an abundant number, since it is smaller than the sum of its proper divisors (42123840).

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

16397760 is a wasteful number, since it uses less digits than its factorization.

16397760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 16397760 is about 4049.4147725320. The cubic root of 16397760 is about 254.0552507580.

The spelling of 16397760 in words is "sixteen million, three hundred ninety-seven thousand, seven hundred sixty".