1016645023143 has 12 divisors (see below), whose sum is σ = 1545776058840. Its totient is φ = 642091593456.

The previous prime is 1016645023117. The next prime is 1016645023159. The reversal of 1016645023143 is 3413205466101.

1016645023143 is a `hidden beast` number, since 1 + 0 + 1 + 6 + 6 + 4 + 502 + 3 + 143 = 666.

It is not a de Polignac number, because 1016645023143 - 2¹⁰ = 1016645022119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1016645023098 and 1016645023107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016645023843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2972646096 + ... + 2972646437.

It is an arithmetic number, because the mean of its divisors is an integer number (128814671570).

Almost surely, 2^{1016645023143} is an apocalyptic number.

1016645023143 is a deficient number, since it is larger than the sum of its proper divisors (529131035697).

1016645023143 is a wasteful number, since it uses less digits than its factorization.

1016645023143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5945292558 (or 5945292555 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 1016645023143 in words is "one trillion, sixteen billion, six hundred forty-five million, twenty-three thousand, one hundred forty-three".