172142573916 has 36 divisors (see below), whose sum is σ = 407750626248. Its totient is φ = 56524409568.

The previous prime is 172142573909. The next prime is 172142573947. The reversal of 172142573916 is 619375241271.

172142573916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×172142573916³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1543951 + ... + 1651686.

Almost surely, 2^172142573916 is an apocalyptic number.

It is an amenable number.

172142573916 is an abundant number, since it is smaller than the sum of its proper divisors (235608052332).

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

172142573916 is a wasteful number, since it uses less digits than its factorization.

172142573916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195778 (or 3195709 counting only the distinct ones).

The product of its digits is 635040, while the sum is 48.

The spelling of 172142573916 in words is "one hundred seventy-two billion, one hundred forty-two million, five hundred seventy-three thousand, nine hundred sixteen".