2018170980 has 144 divisors (see below), whose sum is σ = 7407953280. Its totient is φ = 434156544.

The previous prime is 2018170951. The next prime is 2018170981. The reversal of 2018170980 is 890718102.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2018170981) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25690 + ... + 68529.

It is an arithmetic number, because the mean of its divisors is an integer number (51444120).

Almost surely, 2^2018170980 is an apocalyptic number.

2018170980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2018170980 is an abundant number, since it is smaller than the sum of its proper divisors (5389782300).

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

2018170980 is a wasteful number, since it uses less digits than its factorization.

2018170980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94258 (or 94253 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 2018170980 is about 44924.0579200054. The cubic root of 2018170980 is about 1263.7252188374.

The spelling of 2018170980 in words is "two billion, eighteen million, one hundred seventy thousand, nine hundred eighty".