1053448678366 has 16 divisors (see below), whose sum is σ = 1822480022880. Its totient is φ = 447336004320.

The previous prime is 1053448678343. The next prime is 1053448678369. The reversal of 1053448678366 is 6638768443501.

It is a super-2 number, since 2×1053448678366² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053448678369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345165145 + ... + 345168196.

It is an arithmetic number, because the mean of its divisors is an integer number (113905001430).

Almost surely, 2^{1053448678366} is an apocalyptic number.

1053448678366 is a deficient number, since it is larger than the sum of its proper divisors (769031344514).

1053448678366 is a wasteful number, since it uses less digits than its factorization.

1053448678366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690333459.

The product of its (nonzero) digits is 69672960, while the sum is 61.

The spelling of 1053448678366 in words is "one trillion, fifty-three billion, four hundred forty-eight million, six hundred seventy-eight thousand, three hundred sixty-six".