966356543 has 4 divisors (see below), whose sum is σ = 966764448. Its totient is φ = 965948640.

The previous prime is 966356539. The next prime is 966356561. The reversal of 966356543 is 345653669.

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

It is a cyclic number.

It is not a de Polignac number, because 966356543 - 2² = 966356539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (966356563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200378 + ... + 205143.

It is an arithmetic number, because the mean of its divisors is an integer number (241691112).

Almost surely, 2^966356543 is an apocalyptic number.

966356543 is a deficient number, since it is larger than the sum of its proper divisors (407905).

966356543 is a wasteful number, since it uses less digits than its factorization.

966356543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407904.

The product of its digits is 1749600, while the sum is 47.

The square root of 966356543 is about 31086.2757981718. The cubic root of 966356543 is about 988.6573449425.

The spelling of 966356543 in words is "nine hundred sixty-six million, three hundred fifty-six thousand, five hundred forty-three".