1808864105 has 8 divisors (see below), whose sum is σ = 2240657664. Its totient is φ = 1400410800.

The previous prime is 1808864093. The next prime is 1808864119. The reversal of 1808864105 is 5014688081.

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

It is not a de Polignac number, because 1808864105 - 2⁶ = 1808864041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5834891 + ... + 5835200.

It is an arithmetic number, because the mean of its divisors is an integer number (280082208).

Almost surely, 2^1808864105 is an apocalyptic number.

It is an amenable number.

1808864105 is a deficient number, since it is larger than the sum of its proper divisors (431793559).

1808864105 is a wasteful number, since it uses less digits than its factorization.

1808864105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11670127.

The product of its (nonzero) digits is 61440, while the sum is 41.

The square root of 1808864105 is about 42530.7430572286. The cubic root of 1808864105 is about 1218.4339183647.

The spelling of 1808864105 in words is "one billion, eight hundred eight million, eight hundred sixty-four thousand, one hundred five".