162061441 has 2 divisors, whose sum is σ = 162061442. Its totient is φ = 162061440.

The previous prime is 162061379. The next prime is 162061457. The reversal of 162061441 is 144160261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127780416 + 34281025 = 11304^2 + 5855^2 .

It is a cyclic number.

It is not a de Polignac number, because 162061441 - 2⁷ = 162061313 is a prime.

It is not a weakly prime, because it can be changed into another prime (162061481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81030720 + 81030721.

It is an arithmetic number, because the mean of its divisors is an integer number (81030721).

Almost surely, 2^162061441 is an apocalyptic number.

It is an amenable number.

162061441 is a deficient number, since it is larger than the sum of its proper divisors (1).

162061441 is an equidigital number, since it uses as much as digits as its factorization.

162061441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 162061441 is about 12730.3354629798. The cubic root of 162061441 is about 545.2050862415.

The spelling of 162061441 in words is "one hundred sixty-two million, sixty-one thousand, four hundred forty-one".