1662118 has 12 divisors (see below), whose sum is σ = 2607948. Its totient is φ = 794420.

The previous prime is 1662103. The next prime is 1662119. The reversal of 1662118 is 8112661.

It is a junction number, because it is equal to n+sod(n) for n = 1662092 and 1662101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 273 + ... + 1843.

It is an arithmetic number, because the mean of its divisors is an integer number (217329).

2^1662118 is an apocalyptic number.

1662118 is a deficient number, since it is larger than the sum of its proper divisors (945830).

1662118 is a wasteful number, since it uses less digits than its factorization.

1662118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619 (or 1596 counting only the distinct ones).

The product of its digits is 576, while the sum is 25.

The square root of 1662118 is about 1289.2315540662. The cubic root of 1662118 is about 118.4551510626.

Adding to 1662118 its reverse (8112661), we get a palindrome (9774779).

The spelling of 1662118 in words is "one million, six hundred sixty-two thousand, one hundred eighteen".