16222617600 has 768 divisors, whose sum is σ = 65530805760. Its totient is φ = 3460300800.

The previous prime is 16222617599. The next prime is 16222617617. The reversal of 16222617600 is 671622261.

It is a tau number, because it is divible by the number of its divisors (768).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 395673580 + ... + 395673620.

It is an arithmetic number, because the mean of its divisors is an integer number (85326570).

Almost surely, 2^16222617600 is an apocalyptic number.

16222617600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16222617600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32765402880).

16222617600 is an abundant number, since it is smaller than the sum of its proper divisors (49308188160).

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

16222617600 is an equidigital number, since it uses as much as digits as its factorization.

16222617600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 16222617600 in words is "sixteen billion, two hundred twenty-two million, six hundred seventeen thousand, six hundred".