2247491655168 has 80 divisors (see below), whose sum is σ = 5989347657216. Its totient is φ = 748927477760.

The previous prime is 2247491655133. The next prime is 2247491655181. The reversal of 2247491655168 is 8615561947422.

It is a super-2 number, since 2×2247491655168² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4672105 + ... + 5130647.

Almost surely, 2^{2247491655168} 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 2247491655168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2994673828608).

2247491655168 is an abundant number, since it is smaller than the sum of its proper divisors (3741856002048).

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

2247491655168 is an equidigital number, since it uses as much as digits as its factorization.

2247491655168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461755 (or 461739 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 60.

The spelling of 2247491655168 in words is "two trillion, two hundred forty-seven billion, four hundred ninety-one million, six hundred fifty-five thousand, one hundred sixty-eight".