16604307345 has 32 divisors (see below), whose sum is σ = 27503903232. Its totient is φ = 8548457472.

The previous prime is 16604307341. The next prime is 16604307353. The reversal of 16604307345 is 54370340661.

It is not a de Polignac number, because 16604307345 - 2² = 16604307341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16604307341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109852 + ... + 212781.

It is an arithmetic number, because the mean of its divisors is an integer number (859496976).

Almost surely, 2^16604307345 is an apocalyptic number.

16604307345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16604307345 is a deficient number, since it is larger than the sum of its proper divisors (10899595887).

16604307345 is a wasteful number, since it uses less digits than its factorization.

16604307345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322761.

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 16604307345 in words is "sixteen billion, six hundred four million, three hundred seven thousand, three hundred forty-five".