66101465 has 8 divisors (see below), whose sum is σ = 79367688. Its totient is φ = 52850560.

The previous prime is 66101459. The next prime is 66101467. The reversal of 66101465 is 56410166.

66101465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8826841 + 57274624 = 2971^2 + 7568^2 .

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

It is not a de Polignac number, because 66101465 - 2²² = 61907161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66101467) by changing a digit.

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, 10655 + ... + 15675.

It is an arithmetic number, because the mean of its divisors is an integer number (9920961).

Almost surely, 2^66101465 is an apocalyptic number.

It is an amenable number.

66101465 is a deficient number, since it is larger than the sum of its proper divisors (13266223).

66101465 is a wasteful number, since it uses less digits than its factorization.

66101465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7659.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 66101465 is about 8130.2807454601. The cubic root of 66101465 is about 404.3309891687.

It can be divided in two parts, 66101 and 465, that added together give a palindrome (66566).

The spelling of 66101465 in words is "sixty-six million, one hundred one thousand, four hundred sixty-five".