16247017007791 has 8 divisors (see below), whose sum is σ = 17061392552544. Its totient is φ = 15441640088160.

The previous prime is 16247017007783. The next prime is 16247017007797. The reversal of 16247017007791 is 19770071074261.

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

It is a cyclic number.

It is not a de Polignac number, because 16247017007791 - 2³ = 16247017007783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16247017007797) 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, 2249652580 + ... + 2249659801.

It is an arithmetic number, because the mean of its divisors is an integer number (2132674069068).

Almost surely, 2^{16247017007791} is an apocalyptic number.

16247017007791 is a deficient number, since it is larger than the sum of its proper divisors (814375544753).

16247017007791 is a wasteful number, since it uses less digits than its factorization.

16247017007791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4499312561.

The product of its (nonzero) digits is 1037232, while the sum is 52.

The spelling of 16247017007791 in words is "sixteen trillion, two hundred forty-seven billion, seventeen million, seven thousand, seven hundred ninety-one".