16240702521867 has 4 divisors (see below), whose sum is σ = 21654270029160. Its totient is φ = 10827135014576.

The previous prime is 16240702521859. The next prime is 16240702521893. The reversal of 16240702521867 is 76812520704261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16240702521867 - 2³ = 16240702521859 is a prime.

It is a super-2 number, since 2×16240702521867² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16240702521817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2706783753642 + ... + 2706783753647.

It is an arithmetic number, because the mean of its divisors is an integer number (5413567507290).

Almost surely, 2^{16240702521867} is an apocalyptic number.

16240702521867 is a deficient number, since it is larger than the sum of its proper divisors (5413567507293).

16240702521867 is an equidigital number, since it uses as much as digits as its factorization.

16240702521867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5413567507292.

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 16240702521867 in words is "sixteen trillion, two hundred forty billion, seven hundred two million, five hundred twenty-one thousand, eight hundred sixty-seven".