1648142727 has 16 divisors (see below), whose sum is σ = 2739770112. Its totient is φ = 856177920.

The previous prime is 1648142687. The next prime is 1648142731. The reversal of 1648142727 is 7272418461.

It is not a de Polignac number, because 1648142727 - 2⁶ = 1648142663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648142737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3567178 + ... + 3567639.

It is an arithmetic number, because the mean of its divisors is an integer number (171235632).

Almost surely, 2^1648142727 is an apocalyptic number.

1648142727 is a deficient number, since it is larger than the sum of its proper divisors (1091627385).

1648142727 is a wasteful number, since it uses less digits than its factorization.

1648142727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7134838.

The product of its digits is 150528, while the sum is 42.

The square root of 1648142727 is about 40597.3241359575. The cubic root of 1648142727 is about 1181.2222151411. Note that the first 4 decimals are identical.

The spelling of 1648142727 in words is "one billion, six hundred forty-eight million, one hundred forty-two thousand, seven hundred twenty-seven".