16634504770257 has 16 divisors (see below), whose sum is σ = 24196642348032. Its totient is φ = 10081101773520.

The previous prime is 16634504770253. The next prime is 16634504770339. The reversal of 16634504770257 is 75207740543661.

It is not a de Polignac number, because 16634504770257 - 2² = 16634504770253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16634504770197 and 16634504770206.

It is not an unprimeable number, because it can be changed into a prime (16634504770253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9594453 + ... + 11194754.

It is an arithmetic number, because the mean of its divisors is an integer number (1512290146752).

Almost surely, 2^{16634504770257} is an apocalyptic number.

It is an amenable number.

16634504770257 is a deficient number, since it is larger than the sum of its proper divisors (7562137577775).

16634504770257 is a wasteful number, since it uses less digits than its factorization.

16634504770257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20813468.

The product of its (nonzero) digits is 29635200, while the sum is 57.

The spelling of 16634504770257 in words is "sixteen trillion, six hundred thirty-four billion, five hundred four million, seven hundred seventy thousand, two hundred fifty-seven".