71916163 has 8 divisors (see below), whose sum is σ = 79073280. Its totient is φ = 64862280.

The previous prime is 71916109. The next prime is 71916179. The reversal of 71916163 is 36161917.

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 71916163 - 2¹³ = 71907971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71946163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24343 + ... + 27136.

It is an arithmetic number, because the mean of its divisors is an integer number (9884160).

Almost surely, 2^71916163 is an apocalyptic number.

71916163 is a deficient number, since it is larger than the sum of its proper divisors (7157117).

71916163 is a wasteful number, since it uses less digits than its factorization.

71916163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51617.

The product of its digits is 6804, while the sum is 34.

The square root of 71916163 is about 8480.3397927206. The cubic root of 71916163 is about 415.8552315389.

The spelling of 71916163 in words is "seventy-one million, nine hundred sixteen thousand, one hundred sixty-three".