662225145660 has 144 divisors (see below), whose sum is σ = 2165604517440. Its totient is φ = 162833264640.

The previous prime is 662225145643. The next prime is 662225145683. The reversal of 662225145660 is 66541522266.

662225145660 is a `hidden beast` number, since 6 + 6 + 2 + 22 + 514 + 56 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 2021545 + ... + 2326175.

It is an arithmetic number, because the mean of its divisors is an integer number (15038920260).

Almost surely, 2^662225145660 is an apocalyptic number.

662225145660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662225145660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1082802258720).

662225145660 is an abundant number, since it is smaller than the sum of its proper divisors (1503379371780).

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

662225145660 is a wasteful number, since it uses less digits than its factorization.

662225145660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305588 (or 305583 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 662225145660 in words is "six hundred sixty-two billion, two hundred twenty-five million, one hundred forty-five thousand, six hundred sixty".