1818182008 has 8 divisors (see below), whose sum is σ = 3409091280. Its totient is φ = 909091000.

The previous prime is 1818181997. The next prime is 1818182053. The reversal of 1818182008 is 8002818181.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113636368 + ... + 113636383.

It is an arithmetic number, because the mean of its divisors is an integer number (426136410).

Almost surely, 2^1818182008 is an apocalyptic number.

It is an amenable number.

1818182008 is a deficient number, since it is larger than the sum of its proper divisors (1590909272).

1818182008 is a wasteful number, since it uses less digits than its factorization.

1818182008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227272757 (or 227272753 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 37.

The square root of 1818182008 is about 42640.1454969375. The cubic root of 1818182008 is about 1220.5224869445.

The spelling of 1818182008 in words is "one billion, eight hundred eighteen million, one hundred eighty-two thousand, eight".