2203666402560 has 1152 divisors, whose sum is σ = 9140898816000. Its totient is φ = 440630378496.

The previous prime is 2203666402481. The next prime is 2203666402571. The reversal of 2203666402560 is 652046663022.

It is a super-2 number, since 2×2203666402560² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 340647006 + ... + 340653474.

It is an arithmetic number, because the mean of its divisors is an integer number (7934808000).

Almost surely, 2^{2203666402560} is an apocalyptic number.

2203666402560 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 2203666402560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4570449408000).

2203666402560 is an abundant number, since it is smaller than the sum of its proper divisors (6937232413440).

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

2203666402560 is a wasteful number, since it uses less digits than its factorization.

2203666402560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6571 (or 6557 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 2203666402560 in words is "two trillion, two hundred three billion, six hundred sixty-six million, four hundred two thousand, five hundred sixty".