2663550201620 has 288 divisors, whose sum is σ = 7176093523200. Its totient is φ = 821136476160.

The previous prime is 2663550201577. The next prime is 2663550201709. The reversal of 2663550201620 is 261020553662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 371119472 + ... + 371126648.

It is an arithmetic number, because the mean of its divisors is an integer number (24916991400).

Almost surely, 2^{2663550201620} is an apocalyptic number.

2663550201620 is a gapful number since it is divisible by the number (20) 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 2663550201620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3588046761600).

2663550201620 is an abundant number, since it is smaller than the sum of its proper divisors (4512543321580).

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

2663550201620 is a wasteful number, since it uses less digits than its factorization.

2663550201620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7583 (or 7574 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 2663550201620 in words is "two trillion, six hundred sixty-three billion, five hundred fifty million, two hundred one thousand, six hundred twenty".