2201946709860 has 144 divisors (see below), whose sum is σ = 6839775022080. Its totient is φ = 573093480960.

The previous prime is 2201946709841. The next prime is 2201946709927. The reversal of 2201946709860 is 689076491022.

2201946709860 is a `hidden beast` number, since 2 + 20 + 19 + 467 + 0 + 98 + 60 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2201946709797 and 2201946709806.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10116861 + ... + 10332219.

Almost surely, 2^{2201946709860} is an apocalyptic number.

2201946709860 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 2201946709860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3419887511040).

2201946709860 is an abundant number, since it is smaller than the sum of its proper divisors (4637828312220).

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

2201946709860 is a wasteful number, since it uses less digits than its factorization.

2201946709860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216738 (or 216733 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 2201946709860 in words is "two trillion, two hundred one billion, nine hundred forty-six million, seven hundred nine thousand, eight hundred sixty".