16135626331 has 4 divisors (see below), whose sum is σ = 17602501464. Its totient is φ = 14668751200.

The previous prime is 16135626293. The next prime is 16135626349. The reversal of 16135626331 is 13362653161.

It is a happy number.

16135626331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16135626331 - 2¹³ = 16135618139 is a prime.

It is a super-2 number, since 2×16135626331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16135626431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733437550 + ... + 733437571.

It is an arithmetic number, because the mean of its divisors is an integer number (4400625366).

Almost surely, 2^16135626331 is an apocalyptic number.

16135626331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16135626331 is a deficient number, since it is larger than the sum of its proper divisors (1466875133).

16135626331 is a wasteful number, since it uses less digits than its factorization.

16135626331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466875132.

The product of its digits is 58320, while the sum is 37.

The spelling of 16135626331 in words is "sixteen billion, one hundred thirty-five million, six hundred twenty-six thousand, three hundred thirty-one".