220136166306253 has 8 divisors (see below), whose sum is σ = 233710246272888. Its totient is φ = 206631518974464.

The previous prime is 220136166306239. The next prime is 220136166306263. The reversal of 220136166306253 is 352603661631022.

It can be written as a sum of positive squares in 4 ways, for example, as 8268258709764 + 211867907596489 = 2875458^2 + 14555683^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220136166306253 - 2¹⁷ = 220136166175181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220136166306263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17358152176 + ... + 17358164857.

It is an arithmetic number, because the mean of its divisors is an integer number (29213780784111).

Almost surely, 2^{220136166306253} is an apocalyptic number.

It is an amenable number.

220136166306253 is a deficient number, since it is larger than the sum of its proper divisors (13574079966635).

220136166306253 is a wasteful number, since it uses less digits than its factorization.

220136166306253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34716317423.

The product of its (nonzero) digits is 1399680, while the sum is 46.

The spelling of 220136166306253 in words is "two hundred twenty trillion, one hundred thirty-six billion, one hundred sixty-six million, three hundred six thousand, two hundred fifty-three".