162031401 has 16 divisors (see below), whose sum is σ = 274339200. Its totient is φ = 92589264.

The previous prime is 162031361. The next prime is 162031421. The reversal of 162031401 is 104130261.

It is a happy number.

162031401 is a `hidden beast` number, since 1 + 620 + 3 + 1 + 40 + 1 = 666.

It is not a de Polignac number, because 162031401 - 2⁷ = 162031273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162031421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428466 + ... + 428843.

It is an arithmetic number, because the mean of its divisors is an integer number (17146200).

Almost surely, 2^162031401 is an apocalyptic number.

It is an amenable number.

162031401 is a deficient number, since it is larger than the sum of its proper divisors (112307799).

162031401 is an equidigital number, since it uses as much as digits as its factorization.

162031401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857325 (or 857319 counting only the distinct ones).

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

The square root of 162031401 is about 12729.1555493678. The cubic root of 162031401 is about 545.1713974283.

Adding to 162031401 its reverse (104130261), we get a palindrome (266161662).

The spelling of 162031401 in words is "one hundred sixty-two million, thirty-one thousand, four hundred one".