162416401 has 4 divisors (see below), whose sum is σ = 185618752. Its totient is φ = 139214052.

The previous prime is 162416399. The next prime is 162416411. The reversal of 162416401 is 104614261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104614261 = 509 ⋅205529.

It is a cyclic number.

It is not a de Polignac number, because 162416401 - 2¹ = 162416399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162416411) 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 3 ways as a sum of consecutive naturals, for example, 11601165 + ... + 11601178.

It is an arithmetic number, because the mean of its divisors is an integer number (46404688).

Almost surely, 2^162416401 is an apocalyptic number.

It is an amenable number.

162416401 is a deficient number, since it is larger than the sum of its proper divisors (23202351).

162416401 is an equidigital number, since it uses as much as digits as its factorization.

162416401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23202350.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 162416401 is about 12744.2693395895. The cubic root of 162416401 is about 545.6028466544.

The spelling of 162416401 in words is "one hundred sixty-two million, four hundred sixteen thousand, four hundred one".