220104533056616 has 64 divisors (see below), whose sum is σ = 446765918835600. Its totient is φ = 101055540953088.

The previous prime is 220104533056547. The next prime is 220104533056651. The reversal of 220104533056616 is 616650335401022.

It can be written as a sum of positive squares in 8 ways, for example, as 86762779139716 + 133341753916900 = 9314654^2 + 11547370^2 .

It is a super-2 number, since 2×220104533056616² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 439908860 + ... + 440408916.

Almost surely, 2^{220104533056616} is an apocalyptic number.

220104533056616 is a gapful number since it is divisible by the number (26) 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 220104533056616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223382959417800).

220104533056616 is an abundant number, since it is smaller than the sum of its proper divisors (226661385778984).

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

220104533056616 is a wasteful number, since it uses less digits than its factorization.

220104533056616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522198 (or 522194 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

Adding to 220104533056616 its reverse (616650335401022), we get a palindrome (836754868457638).

The spelling of 220104533056616 in words is "two hundred twenty trillion, one hundred four billion, five hundred thirty-three million, fifty-six thousand, six hundred sixteen".