172103262426 has 24 divisors (see below), whose sum is σ = 372903186240. Its totient is φ = 57365787336.

The previous prime is 172103262421. The next prime is 172103262431. The reversal of 172103262426 is 624262301271.

172103262426 is a `hidden beast` number, since 1 + 7 + 2 + 1 + 0 + 3 + 2 + 624 + 26 = 666.

172103262426 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (172103262421) and next prime (172103262431).

It is not an unprimeable number, because it can be changed into a prime (172103262421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 434815 + ... + 730253.

It is an arithmetic number, because the mean of its divisors is an integer number (15537632760).

Almost surely, 2^172103262426 is an apocalyptic number.

172103262426 is an abundant number, since it is smaller than the sum of its proper divisors (200799923814).

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

172103262426 is a wasteful number, since it uses less digits than its factorization.

172103262426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327810 (or 327807 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

Adding to 172103262426 its reverse (624262301271), we get a palindrome (796365563697).

The spelling of 172103262426 in words is "one hundred seventy-two billion, one hundred three million, two hundred sixty-two thousand, four hundred twenty-six".