2176665048 has 80 divisors (see below), whose sum is σ = 6153851880. Its totient is φ = 718751232.

The previous prime is 2176665047. The next prime is 2176665083. The reversal of 2176665048 is 8405666712.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2176664994 and 2176665012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2176665047) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 53640 + ... + 85032.

Almost surely, 2^2176665048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2176665048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3076925940).

2176665048 is an abundant number, since it is smaller than the sum of its proper divisors (3977186832).

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

2176665048 is a wasteful number, since it uses less digits than its factorization.

2176665048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31518 (or 31505 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 2176665048 is about 46654.7430386236. The cubic root of 2176665048 is about 1295.9767228330.

The spelling of 2176665048 in words is "two billion, one hundred seventy-six million, six hundred sixty-five thousand, forty-eight".