120170691152928 has 144 divisors (see below), whose sum is σ = 368817612508800. Its totient is φ = 36895735844352.

The previous prime is 120170691152923. The next prime is 120170691152933. The reversal of 120170691152928 is 829251196071021.

120170691152928 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 7 + 0 + 6 + 91 + 1 + 529 + 28 = 666.

120170691152928 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (120170691152923) and next prime (120170691152933).

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (120170691152923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32928378 + ... + 36395321.

It is an arithmetic number, because the mean of its divisors is an integer number (2561233420200).

Almost surely, 2^{120170691152928} is an apocalyptic number.

120170691152928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

120170691152928 is an abundant number, since it is smaller than the sum of its proper divisors (248646921355872).

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

120170691152928 is a wasteful number, since it uses less digits than its factorization.

120170691152928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69324191 (or 69324180 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 54.

The spelling of 120170691152928 in words is "one hundred twenty trillion, one hundred seventy billion, six hundred ninety-one million, one hundred fifty-two thousand, nine hundred twenty-eight".