1966048143 has 8 divisors (see below), whose sum is σ = 2623854000. Its totient is φ = 1309470528.

The previous prime is 1966048099. The next prime is 1966048159. The reversal of 1966048143 is 3418406691.

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

It is not a de Polignac number, because 1966048143 - 2⁸ = 1966047887 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1966048095 and 1966048104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1966048543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303318 + ... + 309731.

It is an arithmetic number, because the mean of its divisors is an integer number (327981750).

Almost surely, 2^1966048143 is an apocalyptic number.

1966048143 is a deficient number, since it is larger than the sum of its proper divisors (657805857).

1966048143 is a wasteful number, since it uses less digits than its factorization.

1966048143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614121.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 1966048143 is about 44340.1414409111. The cubic root of 1966048143 is about 1252.7508788648.

The spelling of 1966048143 in words is "one billion, nine hundred sixty-six million, forty-eight thousand, one hundred forty-three".