2201661927936 has 160 divisors (see below), whose sum is σ = 6597533236800. Its totient is φ = 733886936064.

The previous prime is 2201661927923. The next prime is 2201661927967. The reversal of 2201661927936 is 6397291661022.

2201661927936 is a `hidden beast` number, since 2 + 2 + 0 + 16 + 619 + 2 + 7 + 9 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136635 + ... + 2102853.

It is an arithmetic number, because the mean of its divisors is an integer number (41234582730).

Almost surely, 2^{2201661927936} 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 2201661927936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3298766618400).

2201661927936 is an abundant number, since it is smaller than the sum of its proper divisors (4395871308864).

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

2201661927936 is an frugal number, since it uses more digits than its factorization.

2201661927936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966258 (or 1966224 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 2201661927936 in words is "two trillion, two hundred one billion, six hundred sixty-one million, nine hundred twenty-seven thousand, nine hundred thirty-six".