2201558655648 has 384 divisors, whose sum is σ = 6905112883200. Its totient is φ = 606677299200.

The previous prime is 2201558655643. The next prime is 2201558655649. The reversal of 2201558655648 is 8465568551022.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (2201558655643) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 100650153 + ... + 100672023.

It is an arithmetic number, because the mean of its divisors is an integer number (17982064800).

Almost surely, 2^{2201558655648} 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 2201558655648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3452556441600).

2201558655648 is an abundant number, since it is smaller than the sum of its proper divisors (4703554227552).

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

2201558655648 is a wasteful number, since it uses less digits than its factorization.

2201558655648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22116 (or 22108 counting only the distinct ones).

The product of its (nonzero) digits is 23040000, while the sum is 57.

The spelling of 2201558655648 in words is "two trillion, two hundred one billion, five hundred fifty-eight million, six hundred fifty-five thousand, six hundred forty-eight".