1216364403416 has 16 divisors (see below), whose sum is σ = 2318071507440. Its totient is φ = 598212001440.

The previous prime is 1216364403409. The next prime is 1216364403427. The reversal of 1216364403416 is 6143044636121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1246274516 + ... + 1246275491.

It is an arithmetic number, because the mean of its divisors is an integer number (144879469215).

Almost surely, 2^{1216364403416} is an apocalyptic number.

It is an amenable number.

1216364403416 is a deficient number, since it is larger than the sum of its proper divisors (1101707104024).

1216364403416 is a wasteful number, since it uses less digits than its factorization.

1216364403416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492550074 (or 2492550070 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 1216364403416 in words is "one trillion, two hundred sixteen billion, three hundred sixty-four million, four hundred three thousand, four hundred sixteen".