172103568 has 240 divisors, whose sum is σ = 579212928. Its totient is φ = 42854400.

The previous prime is 172103567. The next prime is 172103573. The reversal of 172103568 is 865301271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172103567) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4197628 + ... + 4197668.

Almost surely, 2^172103568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172103568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289606464).

172103568 is an abundant number, since it is smaller than the sum of its proper divisors (407109360).

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

172103568 is a wasteful number, since it uses less digits than its factorization.

172103568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 172103568 is about 13118.8249473800. The cubic root of 172103568 is about 556.2413768305.

It can be divided in two parts, 172 and 103568, that added together give a triangular number (103740 = T₄₅₅).

The spelling of 172103568 in words is "one hundred seventy-two million, one hundred three thousand, five hundred sixty-eight".