662994871430 has 16 divisors (see below), whose sum is σ = 1194196595904. Its totient is φ = 265018875840.

The previous prime is 662994871421. The next prime is 662994871459. The reversal of 662994871430 is 34178499266.

It is a self number, because there is not a number n which added to its sum of digits gives 662994871430.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 22368542 + ... + 22398161.

It is an arithmetic number, because the mean of its divisors is an integer number (74637287244).

Almost surely, 2^662994871430 is an apocalyptic number.

662994871430 is a deficient number, since it is larger than the sum of its proper divisors (531201724474).

662994871430 is a wasteful number, since it uses less digits than its factorization.

662994871430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44768191.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 662994871430 in words is "six hundred sixty-two billion, nine hundred ninety-four million, eight hundred seventy-one thousand, four hundred thirty".