162205401 has 8 divisors (see below), whose sum is σ = 216477184. Its totient is φ = 108035280.

The previous prime is 162205369. The next prime is 162205403. The reversal of 162205401 is 104502261.

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

It is not a de Polignac number, because 162205401 - 2⁵ = 162205369 is a prime.

It is a super-2 number, since 2×162205401² = 52621184227141602, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (162205403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21610 + ... + 28131.

It is an arithmetic number, because the mean of its divisors is an integer number (27059648).

Almost surely, 2^162205401 is an apocalyptic number.

It is an amenable number.

162205401 is a deficient number, since it is larger than the sum of its proper divisors (54271783).

162205401 is a wasteful number, since it uses less digits than its factorization.

162205401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50831.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 162205401 is about 12735.9884186505. The cubic root of 162205401 is about 545.3664746114.

Adding to 162205401 its reverse (104502261), we get a palindrome (266707662).

The spelling of 162205401 in words is "one hundred sixty-two million, two hundred five thousand, four hundred one".