618822688874612 has 12 divisors (see below), whose sum is σ = 1082945619637056. Its totient is φ = 309409654692600.

The previous prime is 618822688874609. The next prime is 618822688874617. The reversal of 618822688874612 is 216478886228816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618822688874617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421611998 + ... + 423077205.

It is an arithmetic number, because the mean of its divisors is an integer number (90245468303088).

Almost surely, 2^{618822688874612} is an apocalyptic number.

It is an amenable number.

618822688874612 is a deficient number, since it is larger than the sum of its proper divisors (464122930762444).

618822688874612 is a wasteful number, since it uses less digits than its factorization.

618822688874612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844872358 (or 844872356 counting only the distinct ones).

The product of its digits is 1585446912, while the sum is 77.

The spelling of 618822688874612 in words is "six hundred eighteen trillion, eight hundred twenty-two billion, six hundred eighty-eight million, eight hundred seventy-four thousand, six hundred twelve".