128660897089324 has 48 divisors (see below), whose sum is σ = 238498791400800. Its totient is φ = 60562031961600.

The previous prime is 128660897089321. The next prime is 128660897089427. The reversal of 128660897089324 is 423980798066821.

It is not an unprimeable number, because it can be changed into a prime (128660897089321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1972854 + ... + 16162114.

It is an arithmetic number, because the mean of its divisors is an integer number (4968724820850).

Almost surely, 2^{128660897089324} is an apocalyptic number.

It is an amenable number.

128660897089324 is a deficient number, since it is larger than the sum of its proper divisors (109837894311476).

128660897089324 is a wasteful number, since it uses less digits than its factorization.

128660897089324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14190034 (or 14190032 counting only the distinct ones).

The product of its (nonzero) digits is 501645312, while the sum is 73.

The spelling of 128660897089324 in words is "one hundred twenty-eight trillion, six hundred sixty billion, eight hundred ninety-seven million, eighty-nine thousand, three hundred twenty-four".