618823722213746 has 16 divisors (see below), whose sum is σ = 1123243058808576. Its totient is φ = 249609568623936.

The previous prime is 618823722213707. The next prime is 618823722213761. The reversal of 618823722213746 is 647312227328816.

It is a super-2 number, since 2×618823722213746² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1300049836346 + ... + 1300049836821.

It is an arithmetic number, because the mean of its divisors is an integer number (70202691175536).

Almost surely, 2^{618823722213746} is an apocalyptic number.

618823722213746 is a deficient number, since it is larger than the sum of its proper divisors (504419336594830).

618823722213746 is a wasteful number, since it uses less digits than its factorization.

618823722213746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600099673193.

The product of its digits is 65028096, while the sum is 62.

The spelling of 618823722213746 in words is "six hundred eighteen trillion, eight hundred twenty-three billion, seven hundred twenty-two million, two hundred thirteen thousand, seven hundred forty-six".