6928728169158 has 24 divisors (see below), whose sum is σ = 15016729780728. Its totient is φ = 2308885992672.

The previous prime is 6928728169091. The next prime is 6928728169163. The reversal of 6928728169158 is 8519618278296.

6928728169158 is a `hidden beast` number, since 6 + 9 + 287 + 281 + 69 + 1 + 5 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57443391 + ... + 57563882.

It is an arithmetic number, because the mean of its divisors is an integer number (625697074197).

Almost surely, 2^{6928728169158} is an apocalyptic number.

6928728169158 is an abundant number, since it is smaller than the sum of its proper divisors (8088001611570).

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

6928728169158 is a wasteful number, since it uses less digits than its factorization.

6928728169158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115010628 (or 115010625 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 72.

The spelling of 6928728169158 in words is "six trillion, nine hundred twenty-eight billion, seven hundred twenty-eight million, one hundred sixty-nine thousand, one hundred fifty-eight".