16002716400 has 480 divisors, whose sum is σ = 62940733440. Its totient is φ = 3877113600.

The previous prime is 16002716399. The next prime is 16002716419. The reversal of 16002716400 is 461720061.

16002716400 is a `hidden beast` number, since 1 + 600 + 2 + 7 + 16 + 40 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9621969 + ... + 9623631.

It is an arithmetic number, because the mean of its divisors is an integer number (131126528).

Almost surely, 2^16002716400 is an apocalyptic number.

16002716400 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 16002716400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31470366720).

16002716400 is an abundant number, since it is smaller than the sum of its proper divisors (46938017040).

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

16002716400 is a wasteful number, since it uses less digits than its factorization.

16002716400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713 (or 1684 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The spelling of 16002716400 in words is "sixteen billion, two million, seven hundred sixteen thousand, four hundred".