818161076 has 12 divisors (see below), whose sum is σ = 1432277280. Its totient is φ = 408939000.

The previous prime is 818161063. The next prime is 818161081. The reversal of 818161076 is 670161818.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21800 + ... + 45951.

It is an arithmetic number, because the mean of its divisors is an integer number (119356440).

Almost surely, 2^818161076 is an apocalyptic number.

It is an amenable number.

818161076 is a deficient number, since it is larger than the sum of its proper divisors (614116204).

818161076 is a wasteful number, since it uses less digits than its factorization.

818161076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70774 (or 70772 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 818161076 is about 28603.5150986728. The cubic root of 818161076 is about 935.2899578269.

The spelling of 818161076 in words is "eight hundred eighteen million, one hundred sixty-one thousand, seventy-six".