2018118386 has 4 divisors (see below), whose sum is σ = 3027177582. Its totient is φ = 1009059192.

The previous prime is 2018118379. The next prime is 2018118391. The reversal of 2018118386 is 6838118102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1107225625 + 910892761 = 33275^2 + 30181^2 .

It is a super-2 number, since 2×2018118386² = 8145603639822489992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504529595 + ... + 504529598.

Almost surely, 2^2018118386 is an apocalyptic number.

2018118386 is a deficient number, since it is larger than the sum of its proper divisors (1009059196).

2018118386 is a wasteful number, since it uses less digits than its factorization.

2018118386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009059195.

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 2018118386 is about 44923.4725505498. The cubic root of 2018118386 is about 1263.7142410854.

The spelling of 2018118386 in words is "two billion, eighteen million, one hundred eighteen thousand, three hundred eighty-six".