162440004 has 12 divisors (see below), whose sum is σ = 379026704. Its totient is φ = 54146664.

The previous prime is 162439999. The next prime is 162440009. The reversal of 162440004 is 400044261.

It is an interprime number because it is at equal distance from previous prime (162439999) and next prime (162440009).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (162440009) 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, 6768322 + ... + 6768345.

Almost surely, 2^162440004 is an apocalyptic number.

It is an amenable number.

162440004 is an abundant number, since it is smaller than the sum of its proper divisors (216586700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162440004 is a wasteful number, since it uses less digits than its factorization.

162440004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13536674 (or 13536672 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 162440004 is about 12745.1953300057. The cubic root of 162440004 is about 545.6292751023.

Adding to 162440004 its reverse (400044261), we get a palindrome (562484265).

The spelling of 162440004 in words is "one hundred sixty-two million, four hundred forty thousand, four".