818152851 has 16 divisors (see below), whose sum is σ = 1096913664. Its totient is φ = 542422944.

The previous prime is 818152847. The next prime is 818152859. The reversal of 818152851 is 158251818.

It is not a de Polignac number, because 818152851 - 2² = 818152847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (818152859) 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 15 ways as a sum of consecutive naturals, for example, 595201 + ... + 596573.

It is an arithmetic number, because the mean of its divisors is an integer number (68557104).

Almost surely, 2^818152851 is an apocalyptic number.

818152851 is a deficient number, since it is larger than the sum of its proper divisors (278760813).

818152851 is a wasteful number, since it uses less digits than its factorization.

818152851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330.

The product of its digits is 25600, while the sum is 39.

The square root of 818152851 is about 28603.3713222760. The cubic root of 818152851 is about 935.2868236496.

It can be divided in two parts, 81815 and 2851, that added together give a triangular number (84666 = T₄₁₁).

The spelling of 818152851 in words is "eight hundred eighteen million, one hundred fifty-two thousand, eight hundred fifty-one".