2146023648 has 144 divisors (see below), whose sum is σ = 6420750336. Its totient is φ = 678585600.

The previous prime is 2146023623. The next prime is 2146023683. The reversal of 2146023648 is 8463206412.

2146023648 is a `hidden beast` number, since 2 + 1 + 4 + 6 + 0 + 2 + 3 + 648 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 839973 + ... + 842523.

It is an arithmetic number, because the mean of its divisors is an integer number (44588544).

Almost surely, 2^2146023648 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 2146023648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3210375168).

2146023648 is an abundant number, since it is smaller than the sum of its proper divisors (4274726688).

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

2146023648 is a wasteful number, since it uses less digits than its factorization.

2146023648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717 (or 2706 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 2146023648 is about 46325.1945273843. The cubic root of 2146023648 is about 1289.8667105838.

The spelling of 2146023648 in words is "two billion, one hundred forty-six million, twenty-three thousand, six hundred forty-eight".