4132181648 has 20 divisors (see below), whose sum is σ = 9149831040. Its totient is φ = 1770934944.

The previous prime is 4132181629. The next prime is 4132181659. The reversal of 4132181648 is 8461812314.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18447128 + ... + 18447351.

It is an arithmetic number, because the mean of its divisors is an integer number (457491552).

Almost surely, 2^4132181648 is an apocalyptic number.

It is an amenable number.

4132181648 is an abundant number, since it is smaller than the sum of its proper divisors (5017649392).

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

4132181648 is a wasteful number, since it uses less digits than its factorization.

4132181648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36894494 (or 36894488 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 4132181648 is about 64282.0476338456. The cubic root of 4132181648 is about 1604.6973479142.

The spelling of 4132181648 in words is "four billion, one hundred thirty-two million, one hundred eighty-one thousand, six hundred forty-eight".