618828356071223 has 16 divisors (see below), whose sum is σ = 629896128048000. Its totient is φ = 607779969136032.

The previous prime is 618828356071193. The next prime is 618828356071241. The reversal of 618828356071223 is 322170653828816.

It is a cyclic number.

It is not a de Polignac number, because 618828356071223 - 2¹⁶ = 618828356005687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618828356071253) 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, 917725568 + ... + 918399626.

It is an arithmetic number, because the mean of its divisors is an integer number (39368508003000).

Almost surely, 2^{618828356071223} is an apocalyptic number.

618828356071223 is a deficient number, since it is larger than the sum of its proper divisors (11067771976777).

618828356071223 is a wasteful number, since it uses less digits than its factorization.

618828356071223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688414.

The product of its (nonzero) digits is 46448640, while the sum is 62.

The spelling of 618828356071223 in words is "six hundred eighteen trillion, eight hundred twenty-eight billion, three hundred fifty-six million, seventy-one thousand, two hundred twenty-three".