662751491460 has 48 divisors (see below), whose sum is σ = 1857663896256. Its totient is φ = 176547091072.

The previous prime is 662751491453. The next prime is 662751491483. The reversal of 662751491460 is 64194157266.

It is a happy number.

It is an unprimeable number.

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, 5775207 + ... + 5888846.

It is an arithmetic number, because the mean of its divisors is an integer number (38701331172).

Almost surely, 2^662751491460 is an apocalyptic number.

662751491460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

662751491460 is an abundant number, since it is smaller than the sum of its proper divisors (1194912404796).

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

662751491460 is a wasteful number, since it uses less digits than its factorization.

662751491460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11665012 (or 11665010 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 662751491460 in words is "six hundred sixty-two billion, seven hundred fifty-one million, four hundred ninety-one thousand, four hundred sixty".