2162162669 has 4 divisors (see below), whose sum is σ = 2163654240. Its totient is φ = 2160671100.

The previous prime is 2162162647. The next prime is 2162162687. The reversal of 2162162669 is 9662612612.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2162162669 - 2¹² = 2162158573 is a prime.

It is a super-2 number, since 2×2162162669² = 9349894814434407122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162162609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743609 + ... + 746510.

It is an arithmetic number, because the mean of its divisors is an integer number (540913560).

Almost surely, 2^2162162669 is an apocalyptic number.

It is an amenable number.

2162162669 is a deficient number, since it is larger than the sum of its proper divisors (1491571).

2162162669 is a wasteful number, since it uses less digits than its factorization.

2162162669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491570.

The product of its digits is 93312, while the sum is 41.

The square root of 2162162669 is about 46499.0609475073. The cubic root of 2162162669 is about 1293.0920894777.

The spelling of 2162162669 in words is "two billion, one hundred sixty-two million, one hundred sixty-two thousand, six hundred sixty-nine".