1326537076104 has 384 divisors, whose sum is σ = 4167089971200. Its totient is φ = 378689034240.

The previous prime is 1326537076013. The next prime is 1326537076201. The reversal of 1326537076104 is 4016707356231.

1326537076104 is a `hidden beast` number, since 1 + 3 + 2 + 6 + 537 + 0 + 7 + 6 + 104 = 666.

It is a super-2 number, since 2×1326537076104² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1326537076104.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 51477127 + ... + 51502889.

It is an arithmetic number, because the mean of its divisors is an integer number (10851796800).

Almost surely, 2^{1326537076104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1326537076104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2083544985600).

1326537076104 is an abundant number, since it is smaller than the sum of its proper divisors (2840552895096).

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

1326537076104 is a wasteful number, since it uses less digits than its factorization.

1326537076104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25905 (or 25898 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 1326537076104 in words is "one trillion, three hundred twenty-six billion, five hundred thirty-seven million, seventy-six thousand, one hundred four".