128929062016 has 32 divisors (see below), whose sum is σ = 268018300800. Its totient is φ = 61661723904.

The previous prime is 128929062011. The next prime is 128929062037. The reversal of 128929062016 is 610260929821.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (128929062011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21893976 + ... + 21899863.

It is an arithmetic number, because the mean of its divisors is an integer number (8375571900).

Almost surely, 2^128929062016 is an apocalyptic number.

128929062016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

128929062016 is an abundant number, since it is smaller than the sum of its proper divisors (139089238784).

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

128929062016 is an equidigital number, since it uses as much as digits as its factorization.

128929062016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43793876 (or 43793864 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 128929062016 in words is "one hundred twenty-eight billion, nine hundred twenty-nine million, sixty-two thousand, sixteen".