966224643 has 4 divisors (see below), whose sum is σ = 1288299528. Its totient is φ = 644149760.

The previous prime is 966224627. The next prime is 966224657. The reversal of 966224643 is 346422669.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346422669 = 3 ⋅115474223.

It is a cyclic number.

It is not a de Polignac number, because 966224643 - 2⁴ = 966224627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 966224595 and 966224604.

It is not an unprimeable number, because it can be changed into a prime (966224603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161037438 + ... + 161037443.

It is an arithmetic number, because the mean of its divisors is an integer number (322074882).

Almost surely, 2^966224643 is an apocalyptic number.

966224643 is a deficient number, since it is larger than the sum of its proper divisors (322074885).

966224643 is a wasteful number, since it uses less digits than its factorization.

966224643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322074884.

The product of its digits is 373248, while the sum is 42.

The square root of 966224643 is about 31084.1542107872. The cubic root of 966224643 is about 988.6123616016.

The spelling of 966224643 in words is "nine hundred sixty-six million, two hundred twenty-four thousand, six hundred forty-three".