162000261 has 12 divisors (see below), whose sum is σ = 234456300. Its totient is φ = 107789760.

The previous prime is 162000257. The next prime is 162000283.

It is a happy number.

162000261 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 110376036 + 51624225 = 10506^2 + 7185^2 .

It is not a de Polignac number, because 162000261 - 2² = 162000257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162001261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12586 + ... + 21963.

It is an arithmetic number, because the mean of its divisors is an integer number (19538025).

Almost surely, 2^162000261 is an apocalyptic number.

It is an amenable number.

162000261 is a deficient number, since it is larger than the sum of its proper divisors (72456039).

162000261 is a wasteful number, since it uses less digits than its factorization.

162000261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35076 (or 35073 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 162000261 is about 12727.9323144021. The cubic root of 162000261 is about 545.1364706078.

It can be divided in two parts, 162000 and 261, that added together give a palindrome (162261).

The spelling of 162000261 in words is "one hundred sixty-two million, two hundred sixty-one", and thus it is an aban number.