162241553 has 2 divisors, whose sum is σ = 162241554. Its totient is φ = 162241552.

The previous prime is 162241549. The next prime is 162241567. The reversal of 162241553 is 355142261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146337409 + 15904144 = 12097^2 + 3988^2 .

It is an emirp because it is prime and its reverse (355142261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162241553 - 2² = 162241549 is a prime.

It is not a weakly prime, because it can be changed into another prime (162241153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81120776 + 81120777.

It is an arithmetic number, because the mean of its divisors is an integer number (81120777).

Almost surely, 2^162241553 is an apocalyptic number.

It is an amenable number.

162241553 is a deficient number, since it is larger than the sum of its proper divisors (1).

162241553 is an equidigital number, since it uses as much as digits as its factorization.

162241553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 29.

The square root of 162241553 is about 12737.4076247877. The cubic root of 162241553 is about 545.4069883141.

The spelling of 162241553 in words is "one hundred sixty-two million, two hundred forty-one thousand, five hundred fifty-three".