162288401 has 16 divisors (see below), whose sum is σ = 182914368. Its totient is φ = 142689600.

The previous prime is 162288389. The next prime is 162288421. The reversal of 162288401 is 104882261.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162288401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162288421) 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, 72566 + ... + 74768.

It is an arithmetic number, because the mean of its divisors is an integer number (11432148).

Almost surely, 2^162288401 is an apocalyptic number.

162288401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

162288401 is a deficient number, since it is larger than the sum of its proper divisors (20625967).

162288401 is a wasteful number, since it uses less digits than its factorization.

162288401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 162288401 is about 12739.2464847808. The cubic root of 162288401 is about 545.4594795269.

The spelling of 162288401 in words is "one hundred sixty-two million, two hundred eighty-eight thousand, four hundred one".