2166148846 has 16 divisors (see below), whose sum is σ = 3423087360. Its totient is φ = 1025214840.

The previous prime is 2166148771. The next prime is 2166148931. The reversal of 2166148846 is 6488416612.

2166148846 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2166148796 and 2166148805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23625 + ... + 69931.

It is an arithmetic number, because the mean of its divisors is an integer number (213942960).

Almost surely, 2^2166148846 is an apocalyptic number.

2166148846 is a deficient number, since it is larger than the sum of its proper divisors (1256938514).

2166148846 is a wasteful number, since it uses less digits than its factorization.

2166148846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47559.

The product of its digits is 442368, while the sum is 46.

The square root of 2166148846 is about 46541.9041939627. The cubic root of 2166148846 is about 1293.8862525997.

It can be divided in two parts, 21661 and 48846, that added together give a palindrome (70507).

The spelling of 2166148846 in words is "two billion, one hundred sixty-six million, one hundred forty-eight thousand, eight hundred forty-six".