16436670855040 has 128 divisors (see below), whose sum is σ = 39439919433600. Its totient is φ = 6550281879552.

The previous prime is 16436670855023. The next prime is 16436670855061. The reversal of 16436670855040 is 4055807663461.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199208034 + ... + 199290526.

It is an arithmetic number, because the mean of its divisors is an integer number (308124370575).

Almost surely, 2^{16436670855040} is an apocalyptic number.

16436670855040 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 16436670855040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19719959716800).

16436670855040 is an abundant number, since it is smaller than the sum of its proper divisors (23003248578560).

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

16436670855040 is an equidigital number, since it uses as much as digits as its factorization.

16436670855040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83664 (or 83652 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 55.

The spelling of 16436670855040 in words is "sixteen trillion, four hundred thirty-six billion, six hundred seventy million, eight hundred fifty-five thousand, forty".