16812223170 has 128 divisors (see below), whose sum is σ = 42024960000. Its totient is φ = 4300998912.

The previous prime is 16812223159. The next prime is 16812223177. The reversal of 16812223170 is 7132221861.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16812223177) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33691581 + ... + 33692079.

It is an arithmetic number, because the mean of its divisors is an integer number (328320000).

Almost surely, 2^16812223170 is an apocalyptic number.

16812223170 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 16812223170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21012480000).

16812223170 is an abundant number, since it is smaller than the sum of its proper divisors (25212736830).

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

16812223170 is a wasteful number, since it uses less digits than its factorization.

16812223170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912.

The product of its (nonzero) digits is 8064, while the sum is 33.

The spelling of 16812223170 in words is "sixteen billion, eight hundred twelve million, two hundred twenty-three thousand, one hundred seventy".