162775601 has 2 divisors, whose sum is σ = 162775602. Its totient is φ = 162775600.

The previous prime is 162775567. The next prime is 162775609. The reversal of 162775601 is 106577261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126787600 + 35988001 = 11260^2 + 5999^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162775601 is a prime.

It is a super-2 number, since 2×162775601² = 52991792561822402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (162775609) 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, 81387800 + 81387801.

It is an arithmetic number, because the mean of its divisors is an integer number (81387801).

Almost surely, 2^162775601 is an apocalyptic number.

It is an amenable number.

162775601 is a deficient number, since it is larger than the sum of its proper divisors (1).

162775601 is an equidigital number, since it uses as much as digits as its factorization.

162775601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 162775601 is about 12758.3541650167. The cubic root of 162775601 is about 546.0047687955.

The spelling of 162775601 in words is "one hundred sixty-two million, seven hundred seventy-five thousand, six hundred one".