816768071 has 8 divisors (see below), whose sum is σ = 933744000. Its totient is φ = 699865848.

The previous prime is 816768023. The next prime is 816768079. The reversal of 816768071 is 170867618.

816768071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 816768071 - 2¹⁴ = 816751687 is a prime.

It is a super-2 number, since 2×816768071² = 1334220163610122082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816768079) 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, 7820 + ... + 41166.

It is an arithmetic number, because the mean of its divisors is an integer number (116718000).

Almost surely, 2^816768071 is an apocalyptic number.

816768071 is a deficient number, since it is larger than the sum of its proper divisors (116975929).

816768071 is a wasteful number, since it uses less digits than its factorization.

816768071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36853.

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 816768071 is about 28579.1544836442. The cubic root of 816768071 is about 934.7588465553.

The spelling of 816768071 in words is "eight hundred sixteen million, seven hundred sixty-eight thousand, seventy-one".