128380167 has 16 divisors (see below), whose sum is σ = 192487680. Its totient is φ = 84554136.

The previous prime is 128380159. The next prime is 128380183. The reversal of 128380167 is 761083821.

It is not a de Polignac number, because 128380167 - 2³ = 128380159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128380157) 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, 26403 + ... + 30884.

It is an arithmetic number, because the mean of its divisors is an integer number (12030480).

Almost surely, 2^128380167 is an apocalyptic number.

128380167 is a deficient number, since it is larger than the sum of its proper divisors (64107513).

128380167 is an equidigital number, since it uses as much as digits as its factorization.

128380167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57379 (or 57373 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 128380167 is about 11330.4972088607. The cubic root of 128380167 is about 504.4668647364.

The spelling of 128380167 in words is "one hundred twenty-eight million, three hundred eighty thousand, one hundred sixty-seven".