662621006 has 4 divisors (see below), whose sum is σ = 993931512. Its totient is φ = 331310502.

The previous prime is 662620997. The next prime is 662621009. The reversal of 662621006 is 600126266.

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

It is a self number, because there is not a number n which added to its sum of digits gives 662621006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662621009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165655250 + ... + 165655253.

It is an arithmetic number, because the mean of its divisors is an integer number (248482878).

Almost surely, 2^662621006 is an apocalyptic number.

662621006 is a deficient number, since it is larger than the sum of its proper divisors (331310506).

662621006 is a wasteful number, since it uses less digits than its factorization.

662621006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331310505.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 662621006 is about 25741.4258734826. The cubic root of 662621006 is about 871.8097730197.

The spelling of 662621006 in words is "six hundred sixty-two million, six hundred twenty-one thousand, six".