16745633697 has 8 divisors (see below), whose sum is σ = 24045012544. Its totient is φ = 10305005328.

The previous prime is 16745633669. The next prime is 16745633699. The reversal of 16745633697 is 79633654761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16745633697 - 2¹¹ = 16745631649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16745633699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214687573 + ... + 214687650.

It is an arithmetic number, because the mean of its divisors is an integer number (3005626568).

Almost surely, 2^16745633697 is an apocalyptic number.

It is an amenable number.

16745633697 is a deficient number, since it is larger than the sum of its proper divisors (7299378847).

16745633697 is a wasteful number, since it uses less digits than its factorization.

16745633697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429375239.

The product of its digits is 17146080, while the sum is 57.

The spelling of 16745633697 in words is "sixteen billion, seven hundred forty-five million, six hundred thirty-three thousand, six hundred ninety-seven".