172116348068 has 54 divisors (see below), whose sum is σ = 351242003826. Its totient is φ = 73582865664.

The previous prime is 172116348043. The next prime is 172116348083. The reversal of 172116348068 is 860843611271.

It can be written as a sum of positive squares in 3 ways, for example, as 1686087844 + 170430260224 = 41062^2 + 412832^2 .

It is a super-3 number, since 3×172116348068³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 144271280 + ... + 144272472.

Almost surely, 2^172116348068 is an apocalyptic number.

It is an amenable number.

172116348068 is an abundant number, since it is smaller than the sum of its proper divisors (179125655758).

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

172116348068 is an equidigital number, since it uses as much as digits as its factorization.

172116348068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3021 (or 1819 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 172116348068 in words is "one hundred seventy-two billion, one hundred sixteen million, three hundred forty-eight thousand, sixty-eight".