662625222630 has 64 divisors (see below), whose sum is σ = 1834472240640. Its totient is φ = 150041700864.

The previous prime is 662625222629. The next prime is 662625222731. The reversal of 662625222630 is 36222526266.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14722195 + ... + 14767134.

It is an arithmetic number, because the mean of its divisors is an integer number (28663628760).

Almost surely, 2^662625222630 is an apocalyptic number.

662625222630 is an abundant number, since it is smaller than the sum of its proper divisors (1171847018010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

662625222630 is a wasteful number, since it uses less digits than its factorization.

662625222630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29489453.

The product of its (nonzero) digits is 622080, while the sum is 42.

Adding to 662625222630 its reverse (36222526266), we get a palindrome (698847748896).

The spelling of 662625222630 in words is "six hundred sixty-two billion, six hundred twenty-five million, two hundred twenty-two thousand, six hundred thirty".