16667822579940 has 384 divisors, whose sum is σ = 59436357120000. Its totient is φ = 3798682168320.

The previous prime is 16667822579939. The next prime is 16667822580041. The reversal of 16667822579940 is 4997522876661.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2465286160 + ... + 2465292920.

It is an arithmetic number, because the mean of its divisors is an integer number (154782180000).

Almost surely, 2^{16667822579940} is an apocalyptic number.

16667822579940 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 16667822579940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29718178560000).

16667822579940 is an abundant number, since it is smaller than the sum of its proper divisors (42768534540060).

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

16667822579940 is a wasteful number, since it uses less digits than its factorization.

16667822579940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8592 (or 8584 counting only the distinct ones).

The product of its (nonzero) digits is 548674560, while the sum is 72.

The spelling of 16667822579940 in words is "sixteen trillion, six hundred sixty-seven billion, eight hundred twenty-two million, five hundred seventy-nine thousand, nine hundred forty".