1320216352464 has 40 divisors (see below), whose sum is σ = 3466469720032. Its totient is φ = 432857819520.

The previous prime is 1320216352459. The next prime is 1320216352487. The reversal of 1320216352464 is 4642536120231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225443854 + ... + 225449709.

Almost surely, 2^{1320216352464} is an apocalyptic number.

It is an amenable number.

1320216352464 is an abundant number, since it is smaller than the sum of its proper divisors (2146253367568).

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

1320216352464 is a wasteful number, since it uses less digits than its factorization.

1320216352464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450893635 (or 450893629 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 1320216352464 in words is "one trillion, three hundred twenty billion, two hundred sixteen million, three hundred fifty-two thousand, four hundred sixty-four".