162140004 has 36 divisors (see below), whose sum is σ = 441382396. Its totient is φ = 49889088.

The previous prime is 162140003. The next prime is 162140009. The reversal of 162140004 is 400041261.

162140004 is a `hidden beast` number, since 1 + 621 + 40 + 0 + 0 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 69056100 + 93083904 = 8310^2 + 9648^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (162140003) 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 11 ways as a sum of consecutive naturals, for example, 172759 + ... + 173694.

Almost surely, 2^162140004 is an apocalyptic number.

It is an amenable number.

162140004 is an abundant number, since it is smaller than the sum of its proper divisors (279242392).

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

162140004 is a wasteful number, since it uses less digits than its factorization.

162140004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346476 (or 346471 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 162140004 is about 12733.4207501362. The cubic root of 162140004 is about 545.2931722320.

Adding to 162140004 its reverse (400041261), we get a palindrome (562181265).

The spelling of 162140004 in words is "one hundred sixty-two million, one hundred forty thousand, four".