4051620162 has 42 divisors (see below), whose sum is σ = 9117446403. Its totient is φ = 1349729892.

The previous prime is 4051620127. The next prime is 4051620193. The reversal of 4051620162 is 2610261504.

It can be written as a sum of positive squares in only one way, i.e., 2025810081 + 2025810081 = 45009^2 + 45009^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=45009.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 2429653 + ... + 2431319.

Almost surely, 2^4051620162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4051620162

4051620162 is an abundant number, since it is smaller than the sum of its proper divisors (5065826241).

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

4051620162 is an frugal number, since it uses more digits than its factorization.

4051620162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3354 (or 1672 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 4051620162 is about 63652.3382288506. The cubic root of 4051620162 is about 1594.2003784040.

Adding to 4051620162 its reverse (2610261504), we get a palindrome (6661881666).

The spelling of 4051620162 in words is "four billion, fifty-one million, six hundred twenty thousand, one hundred sixty-two".