2162664452 has 36 divisors (see below), whose sum is σ = 4329676260. Its totient is φ = 939431424.

The previous prime is 2162664451. The next prime is 2162664461. The reversal of 2162664452 is 2544662612.

It can be written as a sum of positive squares in 6 ways, for example, as 42436 + 2162622016 = 206^2 + 46504^2 .

It is not an unprimeable number, because it can be changed into a prime (2162664451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56927 + ... + 86982.

It is an arithmetic number, because the mean of its divisors is an integer number (120268785).

Almost surely, 2^2162664452 is an apocalyptic number.

It is an amenable number.

2162664452 is an abundant number, since it is smaller than the sum of its proper divisors (2167011808).

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

2162664452 is a wasteful number, since it uses less digits than its factorization.

2162664452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143960 (or 143941 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 2162664452 is about 46504.4562595887. The cubic root of 2162664452 is about 1293.1921130096.

The spelling of 2162664452 in words is "two billion, one hundred sixty-two million, six hundred sixty-four thousand, four hundred fifty-two".