16240799669981 has 8 divisors (see below), whose sum is σ = 17109672258720. Its totient is φ = 15373336447152.

The previous prime is 16240799669959. The next prime is 16240799669993. The reversal of 16240799669981 is 18996699704261.

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 16240799669981 - 2¹⁴ = 16240799653597 is a prime.

It is a super-2 number, since 2×16240799669981² (a number of 27 digits) contains 22 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 (16240799669951) 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, 352317815 + ... + 352363908.

It is an arithmetic number, because the mean of its divisors is an integer number (2138709032340).

Almost surely, 2^{16240799669981} is an apocalyptic number.

It is an amenable number.

16240799669981 is a deficient number, since it is larger than the sum of its proper divisors (868872588739).

16240799669981 is a wasteful number, since it uses less digits than its factorization.

16240799669981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704682955.

The product of its (nonzero) digits is 634894848, while the sum is 77.

The spelling of 16240799669981 in words is "sixteen trillion, two hundred forty billion, seven hundred ninety-nine million, six hundred sixty-nine thousand, nine hundred eighty-one".