1356216378264 has 64 divisors (see below), whose sum is σ = 4109746608000. Its totient is φ = 410974659360.

The previous prime is 1356216378263. The next prime is 1356216378287. The reversal of 1356216378264 is 4628736126531.

1356216378264 is a `hidden beast` number, since 1 + 3 + 5 + 6 + 2 + 1 + 6 + 378 + 264 = 666.

It is a super-2 number, since 2×1356216378264² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 1356216378264.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356216378263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285396694 + ... + 285401445.

It is an arithmetic number, because the mean of its divisors is an integer number (64214790750).

Almost surely, 2^{1356216378264} is an apocalyptic number.

It is an amenable number.

1356216378264 is an abundant number, since it is smaller than the sum of its proper divisors (2753530229736).

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

1356216378264 is a wasteful number, since it uses less digits than its factorization.

1356216378264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570798165 (or 570798155 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The spelling of 1356216378264 in words is "one trillion, three hundred fifty-six billion, two hundred sixteen million, three hundred seventy-eight thousand, two hundred sixty-four".