1663122016350 has 288 divisors, whose sum is σ = 4624668734400. Its totient is φ = 428314521600.

The previous prime is 1663122016343. The next prime is 1663122016397. The reversal of 1663122016350 is 536102213661.

1663122016350 is a `hidden beast` number, since 1 + 6 + 6 + 3 + 12 + 2 + 0 + 1 + 635 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 338099191 + ... + 338104109.

It is an arithmetic number, because the mean of its divisors is an integer number (16057877550).

Almost surely, 2^{1663122016350} is an apocalyptic number.

1663122016350 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 1663122016350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2312334367200).

1663122016350 is an abundant number, since it is smaller than the sum of its proper divisors (2961546718050).

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

1663122016350 is a wasteful number, since it uses less digits than its factorization.

1663122016350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5220 (or 5212 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 1663122016350 in words is "one trillion, six hundred sixty-three billion, one hundred twenty-two million, sixteen thousand, three hundred fifty".