16395145616 has 20 divisors (see below), whose sum is σ = 32303996400. Its totient is φ = 8058630432.

The previous prime is 16395145609. The next prime is 16395145633. The reversal of 16395145616 is 61654159361.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8682926 + ... + 8684813.

It is an arithmetic number, because the mean of its divisors is an integer number (1615199820).

Almost surely, 2^16395145616 is an apocalyptic number.

16395145616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16395145616 is a deficient number, since it is larger than the sum of its proper divisors (15908850784).

16395145616 is a wasteful number, since it uses less digits than its factorization.

16395145616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17367806 (or 17367800 counting only the distinct ones).

The product of its digits is 583200, while the sum is 47.

The spelling of 16395145616 in words is "sixteen billion, three hundred ninety-five million, one hundred forty-five thousand, six hundred sixteen".