918181819102 has 8 divisors (see below), whose sum is σ = 1424764891800. Its totient is φ = 443260188504.

The previous prime is 918181819099. The next prime is 918181819103. The reversal of 918181819102 is 201918181819.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918181819103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7915360452 + ... + 7915360567.

It is an arithmetic number, because the mean of its divisors is an integer number (178095611475).

Almost surely, 2^918181819102 is an apocalyptic number.

918181819102 is a deficient number, since it is larger than the sum of its proper divisors (506583072698).

918181819102 is a wasteful number, since it uses less digits than its factorization.

918181819102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15830721050.

The product of its (nonzero) digits is 82944, while the sum is 49.

The spelling of 918181819102 in words is "nine hundred eighteen billion, one hundred eighty-one million, eight hundred nineteen thousand, one hundred two".