128320756285676 has 6 divisors (see below), whose sum is σ = 224561323499940. Its totient is φ = 64160378142836.

The previous prime is 128320756285669. The next prime is 128320756285717. The reversal of 128320756285676 is 676582657023821.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16040094535706 + ... + 16040094535713.

It is an arithmetic number, because the mean of its divisors is an integer number (37426887249990).

Almost surely, 2^{128320756285676} is an apocalyptic number.

It is an amenable number.

128320756285676 is a deficient number, since it is larger than the sum of its proper divisors (96240567214264).

128320756285676 is a wasteful number, since it uses less digits than its factorization.

128320756285676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32080189071423 (or 32080189071421 counting only the distinct ones).

The product of its (nonzero) digits is 406425600, while the sum is 68.

The spelling of 128320756285676 in words is "one hundred twenty-eight trillion, three hundred twenty billion, seven hundred fifty-six million, two hundred eighty-five thousand, six hundred seventy-six".