662547220468 has 24 divisors (see below), whose sum is σ = 1325164684032. Its totient is φ = 283933756704.

The previous prime is 662547220463. The next prime is 662547220469. The reversal of 662547220468 is 864022745266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662547220463) 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 in 7 ways as a sum of consecutive naturals, for example, 81196 + ... + 1153987.

It is an arithmetic number, because the mean of its divisors is an integer number (55215195168).

Almost surely, 2^662547220468 is an apocalyptic number.

It is an amenable number.

662547220468 is an abundant number, since it is smaller than the sum of its proper divisors (662617463564).

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

662547220468 is a wasteful number, since it uses less digits than its factorization.

662547220468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254351 (or 1254349 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 52.

The spelling of 662547220468 in words is "six hundred sixty-two billion, five hundred forty-seven million, two hundred twenty thousand, four hundred sixty-eight".