Search a number
-
+
161162411 is a prime number
BaseRepresentation
bin10011001101100…
…10010010101011
3102020020220021012
421212302102223
5312224144121
623554134135
73664600154
oct1146622253
9366226235
10161162411
1182a76783
1245b8134b
1327509897
141759292b
15e236c5b
hex99b24ab

161162411 has 2 divisors, whose sum is σ = 161162412. Its totient is φ = 161162410.

The previous prime is 161162399. The next prime is 161162461. The reversal of 161162411 is 114261161.

It is a happy number.

161162411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161162411 - 210 = 161161387 is a prime.

It is a super-3 number, since 3×1611624113 (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (161162461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80581205 + 80581206.

It is an arithmetic number, because the mean of its divisors is an integer number (80581206).

Almost surely, 2161162411 is an apocalyptic number.

161162411 is a deficient number, since it is larger than the sum of its proper divisors (1).

161162411 is an equidigital number, since it uses as much as digits as its factorization.

161162411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 23.

The square root of 161162411 is about 12694.9758172279. The cubic root of 161162411 is about 544.1950476966.

The spelling of 161162411 in words is "one hundred sixty-one million, one hundred sixty-two thousand, four hundred eleven".