164162675178 has 12 divisors (see below), whose sum is σ = 355685796258. Its totient is φ = 54720891720.

The previous prime is 164162675123. The next prime is 164162675189. The reversal of 164162675178 is 871576261461.

164162675178 is a `hidden beast` number, since 1 + 6 + 4 + 1 + 62 + 67 + 517 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 164051731089 + 110944089 = 405033^2 + 10533^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4560074293 + ... + 4560074328.

Almost surely, 2^164162675178 is an apocalyptic number.

164162675178 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

164162675178 is an abundant number, since it is smaller than the sum of its proper divisors (191523121080).

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

164162675178 is a wasteful number, since it uses less digits than its factorization.

164162675178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9120148629 (or 9120148626 counting only the distinct ones).

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

The spelling of 164162675178 in words is "one hundred sixty-four billion, one hundred sixty-two million, six hundred seventy-five thousand, one hundred seventy-eight".