16245666603 has 24 divisors (see below), whose sum is σ = 23809928688. Its totient is φ = 10672653312.

The previous prime is 16245666589. The next prime is 16245666641. The reversal of 16245666603 is 30666654261.

It is not a de Polignac number, because 16245666603 - 2⁴ = 16245666587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16245666673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163476 + ... + 243342.

It is an arithmetic number, because the mean of its divisors is an integer number (992080362).

Almost surely, 2^16245666603 is an apocalyptic number.

16245666603 is a deficient number, since it is larger than the sum of its proper divisors (7564262085).

16245666603 is a wasteful number, since it uses less digits than its factorization.

16245666603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80203 (or 80200 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 16245666603 in words is "sixteen billion, two hundred forty-five million, six hundred sixty-six thousand, six hundred three".