16019920238879 has 8 divisors (see below), whose sum is σ = 16983629478528. Its totient is φ = 15084144600480.

The previous prime is 16019920238873. The next prime is 16019920238923. The reversal of 16019920238879 is 97883202991061.

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 16019920238879 - 2¹² = 16019920234783 is a prime.

It is a super-3 number, since 3×16019920238879³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16019920238873) 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, 6983399132 + ... + 6983401425.

It is an arithmetic number, because the mean of its divisors is an integer number (2122953684816).

Almost surely, 2^{16019920238879} is an apocalyptic number.

16019920238879 is a deficient number, since it is larger than the sum of its proper divisors (963709239649).

16019920238879 is a wasteful number, since it uses less digits than its factorization.

16019920238879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13966800625.

The product of its (nonzero) digits is 23514624, while the sum is 65.

The spelling of 16019920238879 in words is "sixteen trillion, nineteen billion, nine hundred twenty million, two hundred thirty-eight thousand, eight hundred seventy-nine".