1648542122227 has 64 divisors (see below), whose sum is σ = 2267453067264. Its totient is φ = 1156884301440.

The previous prime is 1648542122203. The next prime is 1648542122237. The reversal of 1648542122227 is 7222212458461.

It is not a de Polignac number, because 1648542122227 - 2⁷ = 1648542122099 is a prime.

It is a super-2 number, since 2×1648542122227² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1648542122237) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39018888 + ... + 39061114.

It is an arithmetic number, because the mean of its divisors is an integer number (35428954176).

Almost surely, 2^{1648542122227} is an apocalyptic number.

1648542122227 is a deficient number, since it is larger than the sum of its proper divisors (618910945037).

1648542122227 is a wasteful number, since it uses less digits than its factorization.

1648542122227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43208.

The product of its digits is 860160, while the sum is 46.

The spelling of 1648542122227 in words is "one trillion, six hundred forty-eight billion, five hundred forty-two million, one hundred twenty-two thousand, two hundred twenty-seven".