2162642616 has 48 divisors (see below), whose sum is σ = 5944590600. Its totient is φ = 710119872.

The previous prime is 2162642611. The next prime is 2162642639. The reversal of 2162642616 is 6162462612.

2162642616 is a `hidden beast` number, since 2 + 1 + 6 + 2 + 642 + 6 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162642611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219331 + ... + 228978.

Almost surely, 2^2162642616 is an apocalyptic number.

It is an amenable number.

2162642616 is an abundant number, since it is smaller than the sum of its proper divisors (3781947984).

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

2162642616 is a wasteful number, since it uses less digits than its factorization.

2162642616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448388 (or 448381 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 2162642616 is about 46504.2214857963. The cubic root of 2162642616 is about 1293.1877606257.

The spelling of 2162642616 in words is "two billion, one hundred sixty-two million, six hundred forty-two thousand, six hundred sixteen".