128664365966272 has 14 divisors (see below), whose sum is σ = 255318351214448. Its totient is φ = 64332182983104.

The previous prime is 128664365966267. The next prime is 128664365966309. The reversal of 128664365966272 is 272669563466821.

It is a junction number, because it is equal to n+sod(n) for n = 128664365966195 and 128664365966204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005190359048 + ... + 1005190359175.

Almost surely, 2^{128664365966272} is an apocalyptic number.

It is an amenable number.

128664365966272 is a deficient number, since it is larger than the sum of its proper divisors (126653985248176).

128664365966272 is an equidigital number, since it uses as much as digits as its factorization.

128664365966272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010380718235 (or 2010380718225 counting only the distinct ones).

The product of its digits is 1881169920, while the sum is 73.

The spelling of 128664365966272 in words is "one hundred twenty-eight trillion, six hundred sixty-four billion, three hundred sixty-five million, nine hundred sixty-six thousand, two hundred seventy-two".