662144488662 has 16 divisors (see below), whose sum is σ = 1324499692032. Its totient is φ = 220679710440.

The previous prime is 662144488639. The next prime is 662144488669. The reversal of 662144488662 is 266884441266.

It is a happy number.

It is a super-2 number, since 2×662144488662² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662144488669) 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, 8738914 + ... + 8814357.

It is an arithmetic number, because the mean of its divisors is an integer number (82781230752).

Almost surely, 2^662144488662 is an apocalyptic number.

662144488662 is an abundant number, since it is smaller than the sum of its proper divisors (662355203370).

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

662144488662 is a wasteful number, since it uses less digits than its factorization.

662144488662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17559563.

The product of its digits is 21233664, while the sum is 57.

The spelling of 662144488662 in words is "six hundred sixty-two billion, one hundred forty-four million, four hundred eighty-eight thousand, six hundred sixty-two".