16912056417 has 8 divisors (see below), whose sum is σ = 23276808960. Its totient is φ = 10911004080.

The previous prime is 16912056401. The next prime is 16912056443. The reversal of 16912056417 is 71465021961.

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

It is not a de Polignac number, because 16912056417 - 2⁴ = 16912056401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16912056517) 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, 90924942 + ... + 90925127.

It is an arithmetic number, because the mean of its divisors is an integer number (2909601120).

Almost surely, 2^16912056417 is an apocalyptic number.

It is an amenable number.

16912056417 is a deficient number, since it is larger than the sum of its proper divisors (6364752543).

16912056417 is a wasteful number, since it uses less digits than its factorization.

16912056417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181850103.

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 16912056417 in words is "sixteen billion, nine hundred twelve million, fifty-six thousand, four hundred seventeen".