662643046 has 32 divisors (see below), whose sum is σ = 1095383520. Its totient is φ = 298785024.

The previous prime is 662643043. The next prime is 662643049. The reversal of 662643046 is 640346266.

It is an interprime number because it is at equal distance from previous prime (662643043) and next prime (662643049).

It is a junction number, because it is equal to n+sod(n) for n = 662642996 and 662643014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662643043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205281 + ... + 208483.

It is an arithmetic number, because the mean of its divisors is an integer number (34230735).

Almost surely, 2^662643046 is an apocalyptic number.

662643046 is a deficient number, since it is larger than the sum of its proper divisors (432740474).

662643046 is a wasteful number, since it uses less digits than its factorization.

662643046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400.

The product of its (nonzero) digits is 124416, while the sum is 37.

The square root of 662643046 is about 25741.8539736360. The cubic root of 662643046 is about 871.8194389143.

The spelling of 662643046 in words is "six hundred sixty-two million, six hundred forty-three thousand, forty-six".