16722941850 has 72 divisors (see below), whose sum is σ = 44990662080. Its totient is φ = 4453328160.

The previous prime is 16722941839. The next prime is 16722941881. The reversal of 16722941850 is 5814922761.

16722941850 is a `hidden beast` number, since 1 + 6 + 7 + 229 + 418 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 16722941796 and 16722941805.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 307407 + ... + 357693.

Almost surely, 2^16722941850 is an apocalyptic number.

16722941850 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 16722941850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22495331040).

16722941850 is an abundant number, since it is smaller than the sum of its proper divisors (28267720230).

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

16722941850 is a wasteful number, since it uses less digits than its factorization.

16722941850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51044 (or 51036 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 16722941850 in words is "sixteen billion, seven hundred twenty-two million, nine hundred forty-one thousand, eight hundred fifty".