971168551 has 8 divisors (see below), whose sum is σ = 986189040. Its totient is φ = 956163648.

The previous prime is 971168533. The next prime is 971168557. The reversal of 971168551 is 155861179.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 971168551 - 2⁵ = 971168519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 971168498 and 971168507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971168557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212745 + ... + 217261.

It is an arithmetic number, because the mean of its divisors is an integer number (123273630).

Almost surely, 2^971168551 is an apocalyptic number.

971168551 is a deficient number, since it is larger than the sum of its proper divisors (15020489).

971168551 is a wasteful number, since it uses less digits than its factorization.

971168551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7793.

The product of its digits is 75600, while the sum is 43.

The square root of 971168551 is about 31163.5773139093. The cubic root of 971168551 is about 990.2956471702.

The spelling of 971168551 in words is "nine hundred seventy-one million, one hundred sixty-eight thousand, five hundred fifty-one".