220362161597 has 4 divisors (see below), whose sum is σ = 220398110016. Its totient is φ = 220326213180.

The previous prime is 220362161573. The next prime is 220362161599. The reversal of 220362161597 is 795161263022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220362161597 - 2¹⁰ = 220362160573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220362161599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17965013 + ... + 17977274.

It is an arithmetic number, because the mean of its divisors is an integer number (55099527504).

Almost surely, 2^220362161597 is an apocalyptic number.

It is an amenable number.

220362161597 is a deficient number, since it is larger than the sum of its proper divisors (35948419).

220362161597 is an equidigital number, since it uses as much as digits as its factorization.

220362161597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35948418.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 220362161597 in words is "two hundred twenty billion, three hundred sixty-two million, one hundred sixty-one thousand, five hundred ninety-seven".