663666062 has 4 divisors (see below), whose sum is σ = 995499096. Its totient is φ = 331833030.

The previous prime is 663666061. The next prime is 663666097. The reversal of 663666062 is 260666366.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663666061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165916514 + ... + 165916517.

It is an arithmetic number, because the mean of its divisors is an integer number (248874774).

Almost surely, 2^663666062 is an apocalyptic number.

663666062 is a deficient number, since it is larger than the sum of its proper divisors (331833034).

663666062 is a wasteful number, since it uses less digits than its factorization.

663666062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331833033.

The product of its (nonzero) digits is 279936, while the sum is 41.

The square root of 663666062 is about 25761.7169847043. The cubic root of 663666062 is about 872.2678586466.

The spelling of 663666062 in words is "six hundred sixty-three million, six hundred sixty-six thousand, sixty-two".