128316660268051 has 16 divisors (see below), whose sum is σ = 132631870594048. Its totient is φ = 124012557208800.

The previous prime is 128316660268031. The next prime is 128316660268063. The reversal of 128316660268051 is 150862066613821.

It is a cyclic number.

It is not a de Polignac number, because 128316660268051 - 2²⁹ = 128316123397139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128316660267983 and 128316660268001.

It is not an unprimeable number, because it can be changed into a prime (128316660268031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69473125 + ... + 71296201.

It is an arithmetic number, because the mean of its divisors is an integer number (8289491912128).

Almost surely, 2^{128316660268051} is an apocalyptic number.

128316660268051 is a deficient number, since it is larger than the sum of its proper divisors (4315210325997).

128316660268051 is a wasteful number, since it uses less digits than its factorization.

128316660268051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826122.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 128316660268051 in words is "one hundred twenty-eight trillion, three hundred sixteen billion, six hundred sixty million, two hundred sixty-eight thousand, fifty-one".