1966109714 has 8 divisors (see below), whose sum is σ = 3044299008. Its totient is φ = 951343380.

The previous prime is 1966109711. The next prime is 1966109729. The reversal of 1966109714 is 4179016691.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1966109711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15855662 + ... + 15855785.

It is an arithmetic number, because the mean of its divisors is an integer number (380537376).

Almost surely, 2^1966109714 is an apocalyptic number.

1966109714 is a deficient number, since it is larger than the sum of its proper divisors (1078189294).

1966109714 is a wasteful number, since it uses less digits than its factorization.

1966109714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31711480.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 1966109714 is about 44340.8357386281. The cubic root of 1966109714 is about 1252.7639562521.

The spelling of 1966109714 in words is "one billion, nine hundred sixty-six million, one hundred nine thousand, seven hundred fourteen".