128670332152 has 8 divisors (see below), whose sum is σ = 241256872800. Its totient is φ = 64335166072.

The previous prime is 128670332111. The next prime is 128670332159. The reversal of 128670332152 is 251233076821.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×128670332152² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128670332159) 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 as a sum of consecutive naturals, namely, 8041895752 + ... + 8041895767.

It is an arithmetic number, because the mean of its divisors is an integer number (30157109100).

Almost surely, 2^128670332152 is an apocalyptic number.

It is an amenable number.

128670332152 is a deficient number, since it is larger than the sum of its proper divisors (112586540648).

128670332152 is a wasteful number, since it uses less digits than its factorization.

128670332152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16083791525 (or 16083791521 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 128670332152 in words is "one hundred twenty-eight billion, six hundred seventy million, three hundred thirty-two thousand, one hundred fifty-two".