82218160810 has 8 divisors (see below), whose sum is σ = 147992689476. Its totient is φ = 32887264320.

The previous prime is 82218160771. The next prime is 82218160823. The reversal of 82218160810 is 1806181228.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 74036777409 + 8181383401 = 272097^2 + 90451^2 .

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

It is a super-2 number, since 2×82218160810² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82218160810.

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, 4110908031 + ... + 4110908050.

Almost surely, 2^82218160810 is an apocalyptic number.

82218160810 is a deficient number, since it is larger than the sum of its proper divisors (65774528666).

82218160810 is a wasteful number, since it uses less digits than its factorization.

82218160810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8221816088.

The product of its (nonzero) digits is 12288, while the sum is 37.

The spelling of 82218160810 in words is "eighty-two billion, two hundred eighteen million, one hundred sixty thousand, eight hundred ten".