16426120093 has 4 divisors (see below), whose sum is σ = 16467083388. Its totient is φ = 16385156800.

The previous prime is 16426120079. The next prime is 16426120097. The reversal of 16426120093 is 39002162461.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15605755929 + 820364164 = 124923^2 + 28642^2 .

It is a cyclic number.

It is not a de Polignac number, because 16426120093 - 2⁹ = 16426119581 is a prime.

It is a super-3 number, since 3×16426120093³ (a number of 32 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 (16426120097) 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, 20481046 + ... + 20481847.

It is an arithmetic number, because the mean of its divisors is an integer number (4116770847).

Almost surely, 2^16426120093 is an apocalyptic number.

It is an amenable number.

16426120093 is a deficient number, since it is larger than the sum of its proper divisors (40963295).

16426120093 is an equidigital number, since it uses as much as digits as its factorization.

16426120093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40963294.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 16426120093 in words is "sixteen billion, four hundred twenty-six million, one hundred twenty thousand, ninety-three".