618823268674671 has 64 divisors (see below), whose sum is σ = 854831355420672. Its totient is φ = 397972676785152.

The previous prime is 618823268674627. The next prime is 618823268674679. The reversal of 618823268674671 is 176476862328816.

It is a happy number.

It is not a de Polignac number, because 618823268674671 - 2⁹ = 618823268674159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 618823268674593 and 618823268674602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618823268674679) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3924796180 + ... + 3924953846.

It is an arithmetic number, because the mean of its divisors is an integer number (13356739928448).

Almost surely, 2^{618823268674671} is an apocalyptic number.

618823268674671 is a deficient number, since it is larger than the sum of its proper divisors (236008086746001).

618823268674671 is a wasteful number, since it uses less digits than its factorization.

618823268674671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158988.

The product of its digits is 1560674304, while the sum is 75.

The spelling of 618823268674671 in words is "six hundred eighteen trillion, eight hundred twenty-three billion, two hundred sixty-eight million, six hundred seventy-four thousand, six hundred seventy-one".