16322075550 has 144 divisors (see below), whose sum is σ = 47891720448. Its totient is φ = 3952468800.

The previous prime is 16322075543. The next prime is 16322075551. The reversal of 16322075550 is 5557022361.

16322075550 is a `hidden beast` number, since 1 + 6 + 32 + 2 + 0 + 75 + 550 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16322075551) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7834809 + ... + 7836891.

It is an arithmetic number, because the mean of its divisors is an integer number (332581392).

Almost surely, 2^16322075550 is an apocalyptic number.

16322075550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16322075550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23945860224).

16322075550 is an abundant number, since it is smaller than the sum of its proper divisors (31569644898).

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

16322075550 is a wasteful number, since it uses less digits than its factorization.

16322075550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3695 (or 3687 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The spelling of 16322075550 in words is "sixteen billion, three hundred twenty-two million, seventy-five thousand, five hundred fifty".