2162641552 has 20 divisors (see below), whose sum is σ = 4190938236. Its totient is φ = 1081109120.

The previous prime is 2162641543. The next prime is 2162641567. The reversal of 2162641552 is 2551462612.

It can be written as a sum of positive squares in 2 ways, for example, as 958273936 + 1204367616 = 30956^2 + 34704^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100902 + ... + 120442.

Almost surely, 2^2162641552 is an apocalyptic number.

It is an amenable number.

2162641552 is a deficient number, since it is larger than the sum of its proper divisors (2028296684).

2162641552 is a wasteful number, since it uses less digits than its factorization.

2162641552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26466 (or 26460 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 2162641552 is about 46504.2100459733. The cubic root of 2162641552 is about 1293.1875485469.

The spelling of 2162641552 in words is "two billion, one hundred sixty-two million, six hundred forty-one thousand, five hundred fifty-two".