16603334897 has 16 divisors (see below), whose sum is σ = 17245277952. Its totient is φ = 15971904000.

The previous prime is 16603334893. The next prime is 16603334911. The reversal of 16603334897 is 79843330661.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16603334897 - 2² = 16603334893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16603334893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5105522 + ... + 5108772.

It is an arithmetic number, because the mean of its divisors is an integer number (1077829872).

Almost surely, 2^16603334897 is an apocalyptic number.

It is an amenable number.

16603334897 is a deficient number, since it is larger than the sum of its proper divisors (641943055).

16603334897 is a wasteful number, since it uses less digits than its factorization.

16603334897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4808.

The product of its (nonzero) digits is 1959552, while the sum is 50.

The spelling of 16603334897 in words is "sixteen billion, six hundred three million, three hundred thirty-four thousand, eight hundred ninety-seven".