171138827496 has 96 divisors (see below), whose sum is σ = 529474397760. Its totient is φ = 45135507456.

The previous prime is 171138827449. The next prime is 171138827507. The reversal of 171138827496 is 694728831171.

171138827496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 2985465 + ... + 3042248.

It is an arithmetic number, because the mean of its divisors is an integer number (5515358310).

Almost surely, 2^171138827496 is an apocalyptic number.

It is an amenable number.

171138827496 is an abundant number, since it is smaller than the sum of its proper divisors (358335570264).

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

171138827496 is a wasteful number, since it uses less digits than its factorization.

171138827496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6027755 (or 6027738 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 57.

The spelling of 171138827496 in words is "one hundred seventy-one billion, one hundred thirty-eight million, eight hundred twenty-seven thousand, four hundred ninety-six".