18000070845 has 16 divisors (see below), whose sum is σ = 28961012160. Its totient is φ = 9546404864.

The previous prime is 18000070799. The next prime is 18000070867. The reversal of 18000070845 is 54807000081.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 18000070845 - 2³¹ = 15852587197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3349284 + ... + 3354653.

It is an arithmetic number, because the mean of its divisors is an integer number (1810063260).

Almost surely, 2^18000070845 is an apocalyptic number.

18000070845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18000070845 is a deficient number, since it is larger than the sum of its proper divisors (10960941315).

18000070845 is a wasteful number, since it uses less digits than its factorization.

18000070845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6704124.

The product of its (nonzero) digits is 8960, while the sum is 33.

The spelling of 18000070845 in words is "eighteen billion, seventy thousand, eight hundred forty-five".