16437123703040 has 144 divisors (see below), whose sum is σ = 39769449186096. Its totient is φ = 6508511232000.

The previous prime is 16437123703003. The next prime is 16437123703069. The reversal of 16437123703040 is 4030732173461.

It can be written as a sum of positive squares in 8 ways, for example, as 5502514913536 + 10934608789504 = 2345744^2 + 3306752^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 992991404 + ... + 993007956.

It is an arithmetic number, because the mean of its divisors is an integer number (276176730459).

Almost surely, 2^{16437123703040} is an apocalyptic number.

16437123703040 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 16437123703040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19884724593048).

16437123703040 is an abundant number, since it is smaller than the sum of its proper divisors (23332325483056).

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

16437123703040 is a wasteful number, since it uses less digits than its factorization.

16437123703040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24356 (or 24342 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 16437123703040 in words is "sixteen trillion, four hundred thirty-seven billion, one hundred twenty-three million, seven hundred three thousand, forty".