168454347671 has 4 divisors (see below), whose sum is σ = 168466818072. Its totient is φ = 168441877272.

The previous prime is 168454347653. The next prime is 168454347673. The reversal of 168454347671 is 176743454861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168454347671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168454347673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6214916 + ... + 6241961.

It is an arithmetic number, because the mean of its divisors is an integer number (42116704518).

Almost surely, 2^168454347671 is an apocalyptic number.

168454347671 is a deficient number, since it is larger than the sum of its proper divisors (12470401).

168454347671 is a wasteful number, since it uses less digits than its factorization.

168454347671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12470400.

The product of its digits is 13547520, while the sum is 56.

The spelling of 168454347671 in words is "one hundred sixty-eight billion, four hundred fifty-four million, three hundred forty-seven thousand, six hundred seventy-one".