2256016781652 has 24 divisors (see below), whose sum is σ = 5433846872832. Its totient is φ = 727747348800.

The previous prime is 2256016781651. The next prime is 2256016781659. The reversal of 2256016781652 is 2561876106522.

It is a super-2 number, since 2×2256016781652² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2256016781595 and 2256016781604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256016781651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3032280249 + ... + 3032280992.

It is an arithmetic number, because the mean of its divisors is an integer number (226410286368).

Almost surely, 2^{2256016781652} is an apocalyptic number.

It is an amenable number.

2256016781652 is an abundant number, since it is smaller than the sum of its proper divisors (3177830091180).

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

2256016781652 is a wasteful number, since it uses less digits than its factorization.

2256016781652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6064561279 (or 6064561277 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 2256016781652 in words is "two trillion, two hundred fifty-six billion, sixteen million, seven hundred eighty-one thousand, six hundred fifty-two".