16445030857 has 8 divisors (see below), whose sum is σ = 16470020736. Its totient is φ = 16420060272.

The previous prime is 16445030821. The next prime is 16445030867. The reversal of 16445030857 is 75803054461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16445030857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16445030867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2800038 + ... + 2805904.

It is an arithmetic number, because the mean of its divisors is an integer number (2058752592).

Almost surely, 2^16445030857 is an apocalyptic number.

It is an amenable number.

16445030857 is a deficient number, since it is larger than the sum of its proper divisors (24989879).

16445030857 is a wasteful number, since it uses less digits than its factorization.

16445030857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9647.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 16445030857 in words is "sixteen billion, four hundred forty-five million, thirty thousand, eight hundred fifty-seven".