2255766615616 has 14 divisors (see below), whose sum is σ = 4476286877990. Its totient is φ = 1127883307776.

The previous prime is 2255766615577. The next prime is 2255766615629. The reversal of 2255766615616 is 6165166675522.

It can be written as a sum of positive squares in only one way, i.e., 1980662169600 + 275104446016 = 1407360^2 + 524504^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17623176621 + ... + 17623176748.

Almost surely, 2^{2255766615616} is an apocalyptic number.

It is an amenable number.

2255766615616 is a deficient number, since it is larger than the sum of its proper divisors (2220520262374).

2255766615616 is an equidigital number, since it uses as much as digits as its factorization.

2255766615616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35246353381 (or 35246353371 counting only the distinct ones).

The product of its digits is 27216000, while the sum is 58.

The spelling of 2255766615616 in words is "two trillion, two hundred fifty-five billion, seven hundred sixty-six million, six hundred fifteen thousand, six hundred sixteen".