16394958900 has 180 divisors, whose sum is σ = 55457304672. Its totient is φ = 4181855040.

The previous prime is 16394958883. The next prime is 16394958913. The reversal of 16394958900 is 985949361.

16394958900 is a `hidden beast` number, since 1 + 63 + 9 + 495 + 8 + 90 + 0 = 666.

16394958900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 142299 + ... + 230301.

Almost surely, 2^16394958900 is an apocalyptic number.

16394958900 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 16394958900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27728652336).

16394958900 is an abundant number, since it is smaller than the sum of its proper divisors (39062345772).

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

16394958900 is a wasteful number, since it uses less digits than its factorization.

16394958900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88052 (or 88036 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 16394958900 in words is "sixteen billion, three hundred ninety-four million, nine hundred fifty-eight thousand, nine hundred".