2148663671 has 36 divisors (see below), whose sum is σ = 2814673680. Its totient is φ = 1633262400.

The previous prime is 2148663637. The next prime is 2148663691. The reversal of 2148663671 is 1763668412.

It is not a de Polignac number, because 2148663671 - 2⁶ = 2148663607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148663631) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 238670 + ... + 247508.

It is an arithmetic number, because the mean of its divisors is an integer number (78185380).

Almost surely, 2^2148663671 is an apocalyptic number.

2148663671 is a deficient number, since it is larger than the sum of its proper divisors (666010009).

2148663671 is a wasteful number, since it uses less digits than its factorization.

2148663671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8916 (or 8898 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 2148663671 is about 46353.6802314552. The cubic root of 2148663671 is about 1290.3954221161.

The spelling of 2148663671 in words is "two billion, one hundred forty-eight million, six hundred sixty-three thousand, six hundred seventy-one".