660244534343622 has 40 divisors (see below), whose sum is σ = 1504512027433800. Its totient is φ = 216351316335456.

The previous prime is 660244534343591. The next prime is 660244534343659. The reversal of 660244534343622 is 226343435442066.

It is a happy number.

660244534343622 is a `hidden beast` number, since 6 + 6 + 0 + 2 + 4 + 4 + 5 + 3 + 4 + 3 + 4 + 3 + 622 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34538834047 + ... + 34538853162.

It is an arithmetic number, because the mean of its divisors is an integer number (37612800685845).

Almost surely, 2^{660244534343622} is an apocalyptic number.

660244534343622 is an abundant number, since it is smaller than the sum of its proper divisors (844267493090178).

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

660244534343622 is a wasteful number, since it uses less digits than its factorization.

660244534343622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69077687282 (or 69077687273 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 54.

Adding to 660244534343622 its reverse (226343435442066), we get a palindrome (886587969785688).

The spelling of 660244534343622 in words is "six hundred sixty trillion, two hundred forty-four billion, five hundred thirty-four million, three hundred forty-three thousand, six hundred twenty-two".