22399901169408 has 648 divisors, whose sum is σ = 81098865338400. Its totient is φ = 5910598729728.

The previous prime is 22399901169329. The next prime is 22399901169427. The reversal of 22399901169408 is 80496110999322.

22399901169408 is a `hidden beast` number, since 2 + 2 + 399 + 90 + 116 + 9 + 40 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 75152898 + ... + 75450366.

Almost surely, 2^{22399901169408} is an apocalyptic number.

22399901169408 is a gapful number since it is divisible by the number (28) 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 22399901169408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40549432669200).

22399901169408 is an abundant number, since it is smaller than the sum of its proper divisors (58698964168992).

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

22399901169408 is a wasteful number, since it uses less digits than its factorization.

22399901169408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297557 (or 297533 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 63.

The spelling of 22399901169408 in words is "twenty-two trillion, three hundred ninety-nine billion, nine hundred one million, one hundred sixty-nine thousand, four hundred eight".