16298820457920 has 5376 divisors, whose sum is σ = 83686824345600. Its totient is φ = 2897001676800.

The previous prime is 16298820457891. The next prime is 16298820457921. The reversal of 16298820457920 is 2975402889261.

16298820457920 is a `hidden beast` number, since 1 + 6 + 2 + 98 + 8 + 2 + 0 + 457 + 92 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16298820457921) by changing a digit.

It is a polite number, since it can be written in 767 ways as a sum of consecutive naturals, for example, 128337168897 + ... + 128337169023.

It is an arithmetic number, because the mean of its divisors is an integer number (15566745600).

Almost surely, 2^{16298820457920} is an apocalyptic number.

16298820457920 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 16298820457920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41843412172800).

16298820457920 is an abundant number, since it is smaller than the sum of its proper divisors (67388003887680).

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

16298820457920 is a wasteful number, since it uses less digits than its factorization.

16298820457920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The spelling of 16298820457920 in words is "sixteen trillion, two hundred ninety-eight billion, eight hundred twenty million, four hundred fifty-seven thousand, nine hundred twenty".