1218369697716 has 24 divisors (see below), whose sum is σ = 3010089841920. Its totient is φ = 382233630592.

The previous prime is 1218369697691. The next prime is 1218369697729. The reversal of 1218369697716 is 6177969638121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2986200036 + ... + 2986200443.

It is an arithmetic number, because the mean of its divisors is an integer number (125420410080).

Almost surely, 2^{1218369697716} is an apocalyptic number.

It is an amenable number.

1218369697716 is an abundant number, since it is smaller than the sum of its proper divisors (1791720144204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1218369697716 is a wasteful number, since it uses less digits than its factorization.

1218369697716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5972400503 (or 5972400501 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 66.

The spelling of 1218369697716 in words is "one trillion, two hundred eighteen billion, three hundred sixty-nine million, six hundred ninety-seven thousand, seven hundred sixteen".