16722205320 has 32 divisors (see below), whose sum is σ = 50166616320. Its totient is φ = 4459254720.

The previous prime is 16722205259. The next prime is 16722205333. The reversal of 16722205320 is 2350222761.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69675736 + ... + 69675975.

It is an arithmetic number, because the mean of its divisors is an integer number (1567706760).

Almost surely, 2^16722205320 is an apocalyptic number.

16722205320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16722205320 is an abundant number, since it is smaller than the sum of its proper divisors (33444411000).

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

16722205320 is a wasteful number, since it uses less digits than its factorization.

16722205320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139351725 (or 139351721 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 16722205320 in words is "sixteen billion, seven hundred twenty-two million, two hundred five thousand, three hundred twenty".