171098426788 has 6 divisors (see below), whose sum is σ = 299422246886. Its totient is φ = 85549213392.

The previous prime is 171098426747. The next prime is 171098426803. The reversal of 171098426788 is 887624890171.

171098426788 is digitally balanced in base 2, because in such base 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., 169725872484 + 1372554304 = 411978^2 + 37048^2 .

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, 21387303345 + ... + 21387303352.

Almost surely, 2^171098426788 is an apocalyptic number.

It is an amenable number.

171098426788 is a deficient number, since it is larger than the sum of its proper divisors (128323820098).

171098426788 is a wasteful number, since it uses less digits than its factorization.

171098426788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42774606701 (or 42774606699 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 61.

The spelling of 171098426788 in words is "one hundred seventy-one billion, ninety-eight million, four hundred twenty-six thousand, seven hundred eighty-eight".