16722239450 has 24 divisors (see below), whose sum is σ = 35546704032. Its totient is φ = 5733339120.

The previous prime is 16722239441. The next prime is 16722239467. The reversal of 16722239450 is 5493222761.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16722239398 and 16722239407.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23888564 + ... + 23889263.

It is an arithmetic number, because the mean of its divisors is an integer number (1481112668).

Almost surely, 2^16722239450 is an apocalyptic number.

16722239450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16722239450 is an abundant number, since it is smaller than the sum of its proper divisors (18824464582).

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

16722239450 is a wasteful number, since it uses less digits than its factorization.

16722239450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47777846 (or 47777841 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 16722239450 in words is "sixteen billion, seven hundred twenty-two million, two hundred thirty-nine thousand, four hundred fifty".