2273646736656 has 120 divisors (see below), whose sum is σ = 6400242501120. Its totient is φ = 753457555200.

The previous prime is 2273646736649. The next prime is 2273646736709. The reversal of 2273646736656 is 6566376463722.

2273646736656 is a `hidden beast` number, since 22 + 73 + 6 + 467 + 36 + 6 + 56 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2273646736593 and 2273646736602.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46980151 + ... + 47028521.

It is an arithmetic number, because the mean of its divisors is an integer number (53335354176).

Almost surely, 2^{2273646736656} 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 2273646736656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3200121250560).

2273646736656 is an abundant number, since it is smaller than the sum of its proper divisors (4126595764464).

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

2273646736656 is a wasteful number, since it uses less digits than its factorization.

2273646736656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50285 (or 50276 counting only the distinct ones).

The product of its digits is 274337280, while the sum is 63.

The spelling of 2273646736656 in words is "two trillion, two hundred seventy-three billion, six hundred forty-six million, seven hundred thirty-six thousand, six hundred fifty-six".