171064654654 has 4 divisors (see below), whose sum is σ = 256596981984. Its totient is φ = 85532327326.

The previous prime is 171064654603. The next prime is 171064654679. The reversal of 171064654654 is 456456460171.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 456456460171 = 31 ⋅14724401941.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 171064654598 and 171064654607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42766163662 + ... + 42766163665.

It is an arithmetic number, because the mean of its divisors is an integer number (64149245496).

Almost surely, 2^171064654654 is an apocalyptic number.

171064654654 is a deficient number, since it is larger than the sum of its proper divisors (85532327330).

171064654654 is an equidigital number, since it uses as much as digits as its factorization.

171064654654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85532327329.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 171064654654 in words is "one hundred seventy-one billion, sixty-four million, six hundred fifty-four thousand, six hundred fifty-four".