16340620800 has 960 divisors, whose sum is σ = 66636877824. Its totient is φ = 3450470400.

The previous prime is 16340620789. The next prime is 16340620859. The reversal of 16340620800 is 802604361.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 308313574 + ... + 308313626.

Almost surely, 2^16340620800 is an apocalyptic number.

16340620800 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 16340620800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33318438912).

16340620800 is an abundant number, since it is smaller than the sum of its proper divisors (50296257024).

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

16340620800 is a wasteful number, since it uses less digits than its factorization.

16340620800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 16340620800 in words is "sixteen billion, three hundred forty million, six hundred twenty thousand, eight hundred".