15346378017216 has 56 divisors (see below), whose sum is σ = 45115509453840. Its totient is φ = 5115459338496.

The previous prime is 15346378017197. The next prime is 15346378017263. The reversal of 15346378017216 is 61271087364351.

15346378017216 is a `hidden beast` number, since 1 + 5 + 3 + 46 + 378 + 0 + 17 + 216 = 666.

It is a super-2 number, since 2×15346378017216² (a number of 27 digits) contains 22 as substring.

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

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, 4440501171 + ... + 4440504626.

It is an arithmetic number, because the mean of its divisors is an integer number (805634097390).

Almost surely, 2^{15346378017216} is an apocalyptic number.

15346378017216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15346378017216 is an abundant number, since it is smaller than the sum of its proper divisors (29769131436624).

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

15346378017216 is an equidigital number, since it uses as much as digits as its factorization.

15346378017216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8881005818 (or 8881005802 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 15346378017216 in words is "fifteen trillion, three hundred forty-six billion, three hundred seventy-eight million, seventeen thousand, two hundred sixteen".