662243543 has 8 divisors (see below), whose sum is σ = 716772000. Its totient is φ = 608227488.

The previous prime is 662243509. The next prime is 662243573. The reversal of 662243543 is 345342266.

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 662243543 - 2⁸ = 662243287 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 (662243503) 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, 125408 + ... + 130581.

It is an arithmetic number, because the mean of its divisors is an integer number (89596500).

Almost surely, 2^662243543 is an apocalyptic number.

662243543 is a deficient number, since it is larger than the sum of its proper divisors (54528457).

662243543 is a wasteful number, since it uses less digits than its factorization.

662243543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256201.

The product of its digits is 103680, while the sum is 35.

The square root of 662243543 is about 25734.0930090804. The cubic root of 662243543 is about 871.6441990162.

The spelling of 662243543 in words is "six hundred sixty-two million, two hundred forty-three thousand, five hundred forty-three".