618039817673 has 16 divisors (see below), whose sum is σ = 632935296000. Its totient is φ = 603303901200.

The previous prime is 618039817667. The next prime is 618039817691. The reversal of 618039817673 is 376718930816.

It is a cyclic number.

It is not a de Polignac number, because 618039817673 - 2⁶ = 618039817609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (618039817663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5853398 + ... + 5958048.

It is an arithmetic number, because the mean of its divisors is an integer number (39558456000).

Almost surely, 2^618039817673 is an apocalyptic number.

It is an amenable number.

618039817673 is a deficient number, since it is larger than the sum of its proper divisors (14895478327).

618039817673 is a wasteful number, since it uses less digits than its factorization.

618039817673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105412.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 618039817673 in words is "six hundred eighteen billion, thirty-nine million, eight hundred seventeen thousand, six hundred seventy-three".