207018840018 has 16 divisors (see below), whose sum is σ = 435829137120. Its totient is φ = 65374370496.

The previous prime is 207018840001. The next prime is 207018840031. The reversal of 207018840018 is 810048810702.

It is a happy 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, 907977255 + ... + 907977482.

It is an arithmetic number, because the mean of its divisors is an integer number (27239321070).

Almost surely, 2^207018840018 is an apocalyptic number.

207018840018 is an abundant number, since it is smaller than the sum of its proper divisors (228810297102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

207018840018 is a wasteful number, since it uses less digits than its factorization.

207018840018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815954761.

The product of its (nonzero) digits is 28672, while the sum is 39.

The spelling of 207018840018 in words is "two hundred seven billion, eighteen million, eight hundred forty thousand, eighteen".