2148083188648 has 8 divisors (see below), whose sum is σ = 4027655978730. Its totient is φ = 1074041594320.

The previous prime is 2148083188637. The next prime is 2148083188661. The reversal of 2148083188648 is 8468813808412.

It can be written as a sum of positive squares in only one way, i.e., 1821587514244 + 326495674404 = 1349662^2 + 571398^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2148083188648² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134255199283 + ... + 134255199298.

Almost surely, 2^{2148083188648} is an apocalyptic number.

It is an amenable number.

2148083188648 is a deficient number, since it is larger than the sum of its proper divisors (1879572790082).

2148083188648 is a wasteful number, since it uses less digits than its factorization.

2148083188648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268510398587 (or 268510398583 counting only the distinct ones).

The product of its (nonzero) digits is 18874368, while the sum is 61.

The spelling of 2148083188648 in words is "two trillion, one hundred forty-eight billion, eighty-three million, one hundred eighty-eight thousand, six hundred forty-eight".