16003793457 has 10 divisors (see below), whose sum is σ = 23906901458. Its totient is φ = 10669195584.

The previous prime is 16003793447. The next prime is 16003793459. The reversal of 16003793457 is 75439730061.

16003793457 is a `hidden beast` number, since 1 + 600 + 3 + 7 + 9 + 34 + 5 + 7 = 666.

16003793457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 16003262016 + 531441 = 126504^2 + 729^2 .

It is not a de Polignac number, because 16003793457 - 2¹⁶ = 16003727921 is a prime.

It is a super-2 number, since 2×16003793457² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16003793459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 98788768 + ... + 98788929.

Almost surely, 2^16003793457 is an apocalyptic number.

It is an amenable number.

16003793457 is a deficient number, since it is larger than the sum of its proper divisors (7903108001).

16003793457 is an equidigital number, since it uses as much as digits as its factorization.

16003793457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197577709 (or 197577700 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 45.

The spelling of 16003793457 in words is "sixteen billion, three million, seven hundred ninety-three thousand, four hundred fifty-seven".