128006916 has 24 divisors (see below), whose sum is σ = 302283744. Its totient is φ = 42154560.

The previous prime is 128006911. The next prime is 128006927. The reversal of 128006916 is 619600821.

It is not an unprimeable number, because it can be changed into a prime (128006911) 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, 63265 + ... + 65256.

It is an arithmetic number, because the mean of its divisors is an integer number (12595156).

Almost surely, 2^128006916 is an apocalyptic number.

It is an amenable number.

128006916 is an abundant number, since it is smaller than the sum of its proper divisors (174276828).

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

128006916 is a wasteful number, since it uses less digits than its factorization.

128006916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128611 (or 128609 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 128006916 is about 11314.0141417624. The cubic root of 128006916 is about 503.9774964757.

The spelling of 128006916 in words is "one hundred twenty-eight million, six thousand, nine hundred sixteen".