1066145763203 has 16 divisors (see below), whose sum is σ = 1205456981760. Its totient is φ = 937577625600.

The previous prime is 1066145763197. The next prime is 1066145763269. The reversal of 1066145763203 is 3023675416601.

It is a cyclic number.

It is not a de Polignac number, because 1066145763203 - 2⁴ = 1066145763187 is a prime.

It is a super-2 number, since 2×1066145763203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066145765203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34864838 + ... + 34895403.

It is an arithmetic number, because the mean of its divisors is an integer number (75341061360).

Almost surely, 2^{1066145763203} is an apocalyptic number.

1066145763203 is a deficient number, since it is larger than the sum of its proper divisors (139311218557).

1066145763203 is a wasteful number, since it uses less digits than its factorization.

1066145763203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69760318.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 1066145763203 in words is "one trillion, sixty-six billion, one hundred forty-five million, seven hundred sixty-three thousand, two hundred three".