2018207916 has 18 divisors (see below), whose sum is σ = 5101581212. Its totient is φ = 672735960.

The previous prime is 2018207897. The next prime is 2018207923. The reversal of 2018207916 is 6197028102.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 56061331 = 2018207916 / (2 + 0 + 1 + 8 + 2 + 0 + 7 + 9 + 1 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28030630 + ... + 28030701.

Almost surely, 2^2018207916 is an apocalyptic number.

It is an amenable number.

2018207916 is an abundant number, since it is smaller than the sum of its proper divisors (3083373296).

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

2018207916 is a wasteful number, since it uses less digits than its factorization.

2018207916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56061341 (or 56061336 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 2018207916 is about 44924.4690118871. The cubic root of 2018207916 is about 1263.7329282387.

The spelling of 2018207916 in words is "two billion, eighteen million, two hundred seven thousand, nine hundred sixteen".