16772621372756 has 12 divisors (see below), whose sum is σ = 29375970313620. Its totient is φ = 8379486997440.

The previous prime is 16772621372719. The next prime is 16772621372789. The reversal of 16772621372756 is 65727312627761.

It can be written as a sum of positive squares in 2 ways, for example, as 15419098544656 + 1353522828100 = 3926716^2 + 1163410^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1705916705 + ... + 1705926536.

It is an arithmetic number, because the mean of its divisors is an integer number (2447997526135).

Almost surely, 2^{16772621372756} is an apocalyptic number.

It is an amenable number.

16772621372756 is a deficient number, since it is larger than the sum of its proper divisors (12603348940864).

16772621372756 is a wasteful number, since it uses less digits than its factorization.

16772621372756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411844474 (or 3411844472 counting only the distinct ones).

The product of its digits is 62233920, while the sum is 62.

The spelling of 16772621372756 in words is "sixteen trillion, seven hundred seventy-two billion, six hundred twenty-one million, three hundred seventy-two thousand, seven hundred fifty-six".