16324766320 has 80 divisors (see below), whose sum is σ = 38976130368. Its totient is φ = 6356459520.

The previous prime is 16324766267. The next prime is 16324766321. The reversal of 16324766320 is 2366742361.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16324766321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456117 + ... + 490603.

Almost surely, 2^16324766320 is an apocalyptic number.

16324766320 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 16324766320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19488065184).

16324766320 is an abundant number, since it is smaller than the sum of its proper divisors (22651364048).

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

16324766320 is a wasteful number, since it uses less digits than its factorization.

16324766320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34658 (or 34652 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 40.

The spelling of 16324766320 in words is "sixteen billion, three hundred twenty-four million, seven hundred sixty-six thousand, three hundred twenty".