16888092217921 has 8 divisors (see below), whose sum is σ = 16993167396480. Its totient is φ = 16783136242992.

The previous prime is 16888092217861. The next prime is 16888092217967. The reversal of 16888092217921 is 12971229088861.

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 16888092217921 - 2²⁹ = 16887555347009 is a prime.

It is a super-2 number, since 2×16888092217921² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16888092217721) 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, 29516670 + ... + 30083383.

It is an arithmetic number, because the mean of its divisors is an integer number (2124145924560).

Almost surely, 2^{16888092217921} is an apocalyptic number.

It is an amenable number.

16888092217921 is a deficient number, since it is larger than the sum of its proper divisors (105075178559).

16888092217921 is a wasteful number, since it uses less digits than its factorization.

16888092217921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59601815.

The product of its (nonzero) digits is 13934592, while the sum is 64.

The spelling of 16888092217921 in words is "sixteen trillion, eight hundred eighty-eight billion, ninety-two million, two hundred seventeen thousand, nine hundred twenty-one".