162578441 has 2 divisors, whose sum is σ = 162578442. Its totient is φ = 162578440.

The previous prime is 162578419. The next prime is 162578501. The reversal of 162578441 is 144875261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146410000 + 16168441 = 12100^2 + 4021^2 .

It is a cyclic number.

It is not a de Polignac number, because 162578441 - 2¹⁰ = 162577417 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 162578395 and 162578404.

It is not a weakly prime, because it can be changed into another prime (162578641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81289220 + 81289221.

It is an arithmetic number, because the mean of its divisors is an integer number (81289221).

Almost surely, 2^162578441 is an apocalyptic number.

It is an amenable number.

162578441 is a deficient number, since it is larger than the sum of its proper divisors (1).

162578441 is an equidigital number, since it uses as much as digits as its factorization.

162578441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 38.

The square root of 162578441 is about 12750.6251219303. The cubic root of 162578441 is about 545.7842324821.

The spelling of 162578441 in words is "one hundred sixty-two million, five hundred seventy-eight thousand, four hundred forty-one".