162141761 has 2 divisors, whose sum is σ = 162141762. Its totient is φ = 162141760.

The previous prime is 162141719. The next prime is 162141797. The reversal of 162141761 is 167141261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117852736 + 44289025 = 10856^2 + 6655^2 .

It is a cyclic number.

It is not a de Polignac number, because 162141761 - 2²⁶ = 95032897 is a prime.

It is a super-2 number, since 2×162141761² = 52579901320362242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (162141061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81070880 + 81070881.

It is an arithmetic number, because the mean of its divisors is an integer number (81070881).

Almost surely, 2^162141761 is an apocalyptic number.

It is an amenable number.

162141761 is a deficient number, since it is larger than the sum of its proper divisors (1).

162141761 is an equidigital number, since it uses as much as digits as its factorization.

162141761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 29.

The square root of 162141761 is about 12733.4897416223. The cubic root of 162141761 is about 545.2951418809.

The spelling of 162141761 in words is "one hundred sixty-two million, one hundred forty-one thousand, seven hundred sixty-one".