162206401 has 16 divisors (see below), whose sum is σ = 206616960. Its totient is φ = 123966720.

The previous prime is 162206393. The next prime is 162206411. The reversal of 162206401 is 104602261.

It is not a de Polignac number, because 162206401 - 2³ = 162206393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162206411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33610 + ... + 38131.

It is an arithmetic number, because the mean of its divisors is an integer number (12913560).

Almost surely, 2^162206401 is an apocalyptic number.

It is an amenable number.

162206401 is a deficient number, since it is larger than the sum of its proper divisors (44410559).

162206401 is a wasteful number, since it uses less digits than its factorization.

162206401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71784.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 162206401 is about 12736.0276774197. The cubic root of 162206401 is about 545.3675953413.

Adding to 162206401 its reverse (104602261), we get a palindrome (266808662).

The spelling of 162206401 in words is "one hundred sixty-two million, two hundred six thousand, four hundred one".