16326774103652 has 6 divisors (see below), whose sum is σ = 28571854681398. Its totient is φ = 8163387051824.

The previous prime is 16326774103643. The next prime is 16326774103663. The reversal of 16326774103652 is 25630147762361.

It can be written as a sum of positive squares in only one way, i.e., 8385796638976 + 7940977464676 = 2895824^2 + 2817974^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16326774103594 and 16326774103603.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2040846762953 + ... + 2040846762960.

It is an arithmetic number, because the mean of its divisors is an integer number (4761975780233).

Almost surely, 2^{16326774103652} is an apocalyptic number.

It is an amenable number.

16326774103652 is a deficient number, since it is larger than the sum of its proper divisors (12245080577746).

16326774103652 is a wasteful number, since it uses less digits than its factorization.

16326774103652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4081693525917 (or 4081693525915 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 53.

The spelling of 16326774103652 in words is "sixteen trillion, three hundred twenty-six billion, seven hundred seventy-four million, one hundred three thousand, six hundred fifty-two".