7266885169 has 4 divisors (see below), whose sum is σ = 7274511396. Its totient is φ = 7259258944.

The previous prime is 7266885133. The next prime is 7266885187. The reversal of 7266885169 is 9615886627.

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 905227569 + 6361657600 = 30087^2 + 79760^2 .

It is a cyclic number.

It is not a de Polignac number, because 7266885169 - 2¹⁵ = 7266852401 is a prime.

It is a super-4 number, since 4×7266885169⁴ (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7266885869) 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, 3811684 + ... + 3813589.

It is an arithmetic number, because the mean of its divisors is an integer number (1818627849).

Almost surely, 2^7266885169 is an apocalyptic number.

It is an amenable number.

7266885169 is a deficient number, since it is larger than the sum of its proper divisors (7626227).

7266885169 is an equidigital number, since it uses as much as digits as its factorization.

7266885169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7626226.

The product of its digits is 8709120, while the sum is 58.

The square root of 7266885169 is about 85246.0272915988. The cubic root of 7266885169 is about 1936.9396934309.

The spelling of 7266885169 in words is "seven billion, two hundred sixty-six million, eight hundred eighty-five thousand, one hundred sixty-nine".