128769433185316 has 48 divisors (see below), whose sum is σ = 280952512791552. Its totient is φ = 50169726496800.

The previous prime is 128769433185313. The next prime is 128769433185331. The reversal of 128769433185316 is 613581334967821.

It is not an unprimeable number, because it can be changed into a prime (128769433185313) 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, 110327505 + ... + 111488551.

It is an arithmetic number, because the mean of its divisors is an integer number (5853177349824).

Almost surely, 2^{128769433185316} is an apocalyptic number.

It is an amenable number.

128769433185316 is an abundant number, since it is smaller than the sum of its proper divisors (152183079606236).

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

128769433185316 is a wasteful number, since it uses less digits than its factorization.

128769433185316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521160 (or 1521158 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 67.

The spelling of 128769433185316 in words is "one hundred twenty-eight trillion, seven hundred sixty-nine billion, four hundred thirty-three million, one hundred eighty-five thousand, three hundred sixteen".