168710357551 has 12 divisors (see below), whose sum is σ = 176612192208. Its totient is φ = 160857400704.

The previous prime is 168710357537. The next prime is 168710357579. The reversal of 168710357551 is 155753017861.

It is a de Polignac number, because none of the positive numbers 2^k-168710357551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168710357495 and 168710357504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168710357521) 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, 2215851 + ... + 2290723.

It is an arithmetic number, because the mean of its divisors is an integer number (14717682684).

Almost surely, 2^168710357551 is an apocalyptic number.

168710357551 is a deficient number, since it is larger than the sum of its proper divisors (7901834657).

168710357551 is an frugal number, since it uses more digits than its factorization.

168710357551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75522 (or 75209 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 49.

The spelling of 168710357551 in words is "one hundred sixty-eight billion, seven hundred ten million, three hundred fifty-seven thousand, five hundred fifty-one".