2173815006 has 32 divisors (see below), whose sum is σ = 4744970496. Its totient is φ = 658440000.

The previous prime is 2173814999. The next prime is 2173815029. The reversal of 2173815006 is 6005183712.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178306 + ... + 190106.

It is an arithmetic number, because the mean of its divisors is an integer number (148280328).

Almost surely, 2^2173815006 is an apocalyptic number.

2173815006 is an abundant number, since it is smaller than the sum of its proper divisors (2571155490).

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

2173815006 is a wasteful number, since it uses less digits than its factorization.

2173815006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14608.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 2173815006 is about 46624.1890653339. The cubic root of 2173815006 is about 1295.4108416547.

Adding to 2173815006 its reverse (6005183712), we get a palindrome (8178998718).

The spelling of 2173815006 in words is "two billion, one hundred seventy-three million, eight hundred fifteen thousand, six".