128982015066 has 16 divisors (see below), whose sum is σ = 258001236000. Its totient is φ = 42987804048.

The previous prime is 128982015037. The next prime is 128982015067. The reversal of 128982015066 is 660510289821.

It is not an unprimeable number, because it can be changed into a prime (128982015067) 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, 1505076 + ... + 1588463.

It is an arithmetic number, because the mean of its divisors is an integer number (16125077250).

Almost surely, 2^128982015066 is an apocalyptic number.

128982015066 is an abundant number, since it is smaller than the sum of its proper divisors (129019220934).

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

128982015066 is a wasteful number, since it uses less digits than its factorization.

128982015066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3100493.

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 128982015066 in words is "one hundred twenty-eight billion, nine hundred eighty-two million, fifteen thousand, sixty-six".