1966116 has 24 divisors (see below), whose sum is σ = 4667040. Its totient is φ = 644032.

The previous prime is 1966079. The next prime is 1966123. The reversal of 1966116 is 6116691.

It is a happy number.

It is a super-2 number, since 2×1966116² = 7731224250912, which contains 22 as substring.

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, 681 + ... + 2096.

It is an arithmetic number, because the mean of its divisors is an integer number (194460).

2^1966116 is an apocalyptic number.

It is an amenable number.

1966116 is an abundant number, since it is smaller than the sum of its proper divisors (2700924).

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

1966116 is a wasteful number, since it uses less digits than its factorization.

1966116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843 (or 2841 counting only the distinct ones).

The product of its digits is 1944, while the sum is 30.

The square root of 1966116 is about 1402.1825844019. The cubic root of 1966116 is about 125.2765291353.

The spelling of 1966116 in words is "one million, nine hundred sixty-six thousand, one hundred sixteen".