16164335247 has 4 divisors (see below), whose sum is σ = 21552447000. Its totient is φ = 10776223496.

The previous prime is 16164335237. The next prime is 16164335249. The reversal of 16164335247 is 74253346161.

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 16164335247 - 2³⁰ = 15090593423 is a prime.

It is a super-2 number, since 2×16164335247² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16164335199 and 16164335208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16164335249) 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, 2694055872 + ... + 2694055877.

It is an arithmetic number, because the mean of its divisors is an integer number (5388111750).

Almost surely, 2^16164335247 is an apocalyptic number.

16164335247 is a deficient number, since it is larger than the sum of its proper divisors (5388111753).

16164335247 is an equidigital number, since it uses as much as digits as its factorization.

16164335247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5388111752.

The product of its digits is 362880, while the sum is 42.

The spelling of 16164335247 in words is "sixteen billion, one hundred sixty-four million, three hundred thirty-five thousand, two hundred forty-seven".