1448828961866 has 16 divisors (see below), whose sum is σ = 2553181108128. Its totient is φ = 607900263600.

The previous prime is 1448828961823. The next prime is 1448828961887. The reversal of 1448828961866 is 6681698288441.

It is a super-2 number, since 2×1448828961866² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1448828961866.

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 7 ways as a sum of consecutive naturals, for example, 2532917480 + ... + 2532918051.

It is an arithmetic number, because the mean of its divisors is an integer number (159573819258).

Almost surely, 2^{1448828961866} is an apocalyptic number.

1448828961866 is a deficient number, since it is larger than the sum of its proper divisors (1104352146262).

1448828961866 is a wasteful number, since it uses less digits than its factorization.

1448828961866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065835557.

The product of its digits is 254803968, while the sum is 71.

The spelling of 1448828961866 in words is "one trillion, four hundred forty-eight billion, eight hundred twenty-eight million, nine hundred sixty-one thousand, eight hundred sixty-six".