162656149 has 4 divisors (see below), whose sum is σ = 162702540. Its totient is φ = 162609760.

The previous prime is 162656147. The next prime is 162656171. The reversal of 162656149 is 941656261.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 112741924 + 49914225 = 10618^2 + 7065^2 .

It is a cyclic number.

It is not a de Polignac number, because 162656149 - 2¹ = 162656147 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162656141) 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, 17464 + ... + 25105.

It is an arithmetic number, because the mean of its divisors is an integer number (40675635).

Almost surely, 2^162656149 is an apocalyptic number.

It is an amenable number.

162656149 is a deficient number, since it is larger than the sum of its proper divisors (46391).

162656149 is an equidigital number, since it uses as much as digits as its factorization.

162656149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46390.

The product of its digits is 77760, while the sum is 40.

The square root of 162656149 is about 12753.6719810414. The cubic root of 162656149 is about 545.8711752228.

It can be divided in two parts, 1626 and 56149, that added together give a palindrome (57775).

The spelling of 162656149 in words is "one hundred sixty-two million, six hundred fifty-six thousand, one hundred forty-nine".