162170543453 has 2 divisors, whose sum is σ = 162170543454. Its totient is φ = 162170543452.

The previous prime is 162170543449. The next prime is 162170543471. The reversal of 162170543453 is 354345071261.

162170543453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127236316804 + 34934226649 = 356702^2 + 186907^2 .

It is a cyclic number.

It is not a de Polignac number, because 162170543453 - 2² = 162170543449 is a prime.

It is a super-2 number, since 2×162170543453² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 162170543453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162170543153) 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 as a sum of consecutive naturals, namely, 81085271726 + 81085271727.

It is an arithmetic number, because the mean of its divisors is an integer number (81085271727).

Almost surely, 2^162170543453 is an apocalyptic number.

It is an amenable number.

162170543453 is a deficient number, since it is larger than the sum of its proper divisors (1).

162170543453 is an equidigital number, since it uses as much as digits as its factorization.

162170543453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 162170543453 in words is "one hundred sixty-two billion, one hundred seventy million, five hundred forty-three thousand, four hundred fifty-three".