663466043 has 8 divisors (see below), whose sum is σ = 669345600. Its totient is φ = 657602568.

The previous prime is 663466039. The next prime is 663466081. The reversal of 663466043 is 340664366.

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

It is a cyclic number.

It is not a de Polignac number, because 663466043 - 2² = 663466039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 663465988 and 663466006.

It is not an unprimeable number, because it can be changed into a prime (663466343) 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, 87980 + ... + 95222.

It is an arithmetic number, because the mean of its divisors is an integer number (83668200).

Almost surely, 2^663466043 is an apocalyptic number.

663466043 is a deficient number, since it is larger than the sum of its proper divisors (5879557).

663466043 is a wasteful number, since it uses less digits than its factorization.

663466043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8041.

The product of its (nonzero) digits is 186624, while the sum is 38.

The square root of 663466043 is about 25757.8345945462. The cubic root of 663466043 is about 872.1802203571.

The spelling of 663466043 in words is "six hundred sixty-three million, four hundred sixty-six thousand, forty-three".