172020550652 has 12 divisors (see below), whose sum is σ = 307440984480. Its totient is φ = 84180269376.

The previous prime is 172020550633. The next prime is 172020550661. The reversal of 172020550652 is 256055020271.

172020550652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 457501277 + ... + 457501652.

It is an arithmetic number, because the mean of its divisors is an integer number (25620082040).

Almost surely, 2^172020550652 is an apocalyptic number.

It is an amenable number.

172020550652 is a deficient number, since it is larger than the sum of its proper divisors (135420433828).

172020550652 is a wasteful number, since it uses less digits than its factorization.

172020550652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915002980 (or 915002978 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 172020550652 in words is "one hundred seventy-two billion, twenty million, five hundred fifty thousand, six hundred fifty-two".