641162 has 8 divisors (see below), whose sum is σ = 970596. Its totient is φ = 317632.

The previous prime is 641143. The next prime is 641167. The reversal of 641162 is 261146.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 421201 + 219961 = 649^2 + 469^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×641162² = 822177420488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641167) by changing a digit.

641162 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1193 + ... + 1644.

2⁶⁴¹¹⁶² is an apocalyptic number.

641162 is a deficient number, since it is larger than the sum of its proper divisors (329434).

641162 is a wasteful number, since it uses less digits than its factorization.

641162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952.

The product of its digits is 288, while the sum is 20.

The square root of 641162 is about 800.7259206495. The cubic root of 641162 is about 86.2295113414.

The spelling of 641162 in words is "six hundred forty-one thousand, one hundred sixty-two".