162261611 has 4 divisors (see below), whose sum is σ = 163085472. Its totient is φ = 161437752.

The previous prime is 162261569. The next prime is 162261629. The reversal of 162261611 is 116162261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 162261611 - 2¹⁰ = 162260587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162260611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411635 + ... + 412028.

It is an arithmetic number, because the mean of its divisors is an integer number (40771368).

Almost surely, 2^162261611 is an apocalyptic number.

162261611 is a deficient number, since it is larger than the sum of its proper divisors (823861).

162261611 is an equidigital number, since it uses as much as digits as its factorization.

162261611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823860.

The product of its digits is 864, while the sum is 26.

The square root of 162261611 is about 12738.1949663208. The cubic root of 162261611 is about 545.4294636960.

The spelling of 162261611 in words is "one hundred sixty-two million, two hundred sixty-one thousand, six hundred eleven".