220464161555453 has 4 divisors (see below), whose sum is σ = 220546209999360. Its totient is φ = 220382113111548.

The previous prime is 220464161555401. The next prime is 220464161555459. The reversal of 220464161555453 is 354555161464022.

It is a happy number.

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 220464161555453 - 2⁶ = 220464161555389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220464161555395 and 220464161555404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220464161555459) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 41024217923 + ... + 41024223296.

It is an arithmetic number, because the mean of its divisors is an integer number (55136552499840).

Almost surely, 2^{220464161555453} is an apocalyptic number.

It is an amenable number.

220464161555453 is a deficient number, since it is larger than the sum of its proper divisors (82048443907).

220464161555453 is an equidigital number, since it uses as much as digits as its factorization.

220464161555453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82048443906.

The product of its (nonzero) digits is 17280000, while the sum is 53.

The spelling of 220464161555453 in words is "two hundred twenty trillion, four hundred sixty-four billion, one hundred sixty-one million, five hundred fifty-five thousand, four hundred fifty-three".