16772621372757 has 32 divisors (see below), whose sum is σ = 26534365824000. Its totient is φ = 10447906512960.

The previous prime is 16772621372719. The next prime is 16772621372789. The reversal of 16772621372757 is 75727312627761.

It is a happy number.

16772621372757 is a `hidden beast` number, since 1 + 6 + 77 + 262 + 1 + 37 + 275 + 7 = 666.

It is not a de Polignac number, because 16772621372757 - 2⁸ = 16772621372501 is a prime.

It is a super-2 number, since 2×16772621372757² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16772621372694 and 16772621372703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16772621373757) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345475282 + ... + 345523827.

It is an arithmetic number, because the mean of its divisors is an integer number (829198932000).

Almost surely, 2^{16772621372757} is an apocalyptic number.

It is an amenable number.

16772621372757 is a deficient number, since it is larger than the sum of its proper divisors (9761744451243).

16772621372757 is a wasteful number, since it uses less digits than its factorization.

16772621372757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690999178 (or 690999172 counting only the distinct ones).

The product of its digits is 72606240, while the sum is 63.

The spelling of 16772621372757 in words is "sixteen trillion, seven hundred seventy-two billion, six hundred twenty-one million, three hundred seventy-two thousand, seven hundred fifty-seven".