13162766465 has 8 divisors (see below), whose sum is σ = 16222220520. Its totient is φ = 10245612672.

The previous prime is 13162766453. The next prime is 13162766497. The reversal of 13162766465 is 56466726131.

It can be written as a sum of positive squares in 4 ways, for example, as 7584319744 + 5578446721 = 87088^2 + 74689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13162766465 - 2¹² = 13162762369 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35574860 + ... + 35575229.

It is an arithmetic number, because the mean of its divisors is an integer number (2027777565).

Almost surely, 2^13162766465 is an apocalyptic number.

It is an amenable number.

13162766465 is a deficient number, since it is larger than the sum of its proper divisors (3059454055).

13162766465 is an equidigital number, since it uses as much as digits as its factorization.

13162766465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71150131.

The product of its digits is 1088640, while the sum is 47.

The spelling of 13162766465 in words is "thirteen billion, one hundred sixty-two million, seven hundred sixty-six thousand, four hundred sixty-five".