170200201672 has 8 divisors (see below), whose sum is σ = 319125378150. Its totient is φ = 85100100832.

The previous prime is 170200201667. The next prime is 170200201693. The reversal of 170200201672 is 276102002071.

170200201672 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 134963655876 + 35236545796 = 367374^2 + 187714^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 170200201672.

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 as a sum of consecutive naturals, namely, 10637512597 + ... + 10637512612.

Almost surely, 2^170200201672 is an apocalyptic number.

It is an amenable number.

170200201672 is a deficient number, since it is larger than the sum of its proper divisors (148925176478).

170200201672 is a wasteful number, since it uses less digits than its factorization.

170200201672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21275025215 (or 21275025211 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The spelling of 170200201672 in words is "one hundred seventy billion, two hundred million, two hundred one thousand, six hundred seventy-two".