16442663500450 has 96 divisors (see below), whose sum is σ = 33712292275200. Its totient is φ = 5916688435200.

The previous prime is 16442663500423. The next prime is 16442663500453. The reversal of 16442663500450 is 5400536624461.

It is a super-3 number, since 3×16442663500450³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 16442663500450.

It is not an unprimeable number, because it can be changed into a prime (16442663500453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 489362751 + ... + 489396349.

It is an arithmetic number, because the mean of its divisors is an integer number (351169711200).

Almost surely, 2^{16442663500450} is an apocalyptic number.

16442663500450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16442663500450 is an abundant number, since it is smaller than the sum of its proper divisors (17269628774750).

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

16442663500450 is a wasteful number, since it uses less digits than its factorization.

16442663500450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42892 (or 42887 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 16442663500450 in words is "sixteen trillion, four hundred forty-two billion, six hundred sixty-three million, five hundred thousand, four hundred fifty".