128516870367 has 6 divisors (see below), whose sum is σ = 185635479432. Its totient is φ = 85677913572.

The previous prime is 128516870353. The next prime is 128516870369. The reversal of 128516870367 is 763078615821.

It is a happy number.

128516870367 is a `hidden beast` number, since 1 + 28 + 516 + 8 + 70 + 36 + 7 = 666.

It is not a de Polignac number, because 128516870367 - 2²² = 128512676063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128516870369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7139826123 + ... + 7139826140.

It is an arithmetic number, because the mean of its divisors is an integer number (30939246572).

Almost surely, 2^128516870367 is an apocalyptic number.

128516870367 is a deficient number, since it is larger than the sum of its proper divisors (57118609065).

128516870367 is a wasteful number, since it uses less digits than its factorization.

128516870367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14279652269 (or 14279652266 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 128516870367 in words is "one hundred twenty-eight billion, five hundred sixteen million, eight hundred seventy thousand, three hundred sixty-seven".