16442732422064 has 80 divisors (see below), whose sum is σ = 34759588577280. Its totient is φ = 7489775704320.

The previous prime is 16442732422057. The next prime is 16442732422069. The reversal of 16442732422064 is 46022423724461.

It is a super-3 number, since 3×16442732422064³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16442732422069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3415997 + ... + 6674915.

It is an arithmetic number, because the mean of its divisors is an integer number (434494857216).

Almost surely, 2^{16442732422064} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16442732422064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17379794288640).

16442732422064 is an abundant number, since it is smaller than the sum of its proper divisors (18316856155216).

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

16442732422064 is a wasteful number, since it uses less digits than its factorization.

16442732422064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3259258 (or 3259252 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 47.

The spelling of 16442732422064 in words is "sixteen trillion, four hundred forty-two billion, seven hundred thirty-two million, four hundred twenty-two thousand, sixty-four".