16355020800 has 156 divisors (see below), whose sum is σ = 54075016160. Its totient is φ = 4361256960.

The previous prime is 16355020789. The next prime is 16355020823. The reversal of 16355020800 is 802055361.

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 11 ways as a sum of consecutive naturals, for example, 280581 + ... + 333819.

Almost surely, 2^16355020800 is an apocalyptic number.

16355020800 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 16355020800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27037508080).

16355020800 is an abundant number, since it is smaller than the sum of its proper divisors (37719995360).

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

16355020800 is an equidigital number, since it uses as much as digits as its factorization.

16355020800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53276 (or 53249 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 16355020800 in words is "sixteen billion, three hundred fifty-five million, twenty thousand, eight hundred".