1064323141665 has 64 divisors (see below), whose sum is σ = 1968442560000. Its totient is φ = 480986947584.

The previous prime is 1064323141621. The next prime is 1064323141709. The reversal of 1064323141665 is 5661413234601.

It is a happy number.

1064323141665 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1064323141621) and next prime (1064323141709).

It is not a de Polignac number, because 1064323141665 - 2¹³ = 1064323133473 is a prime.

It is a super-2 number, since 2×1064323141665² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74687461 + ... + 74701709.

It is an arithmetic number, because the mean of its divisors is an integer number (30756915000).

Almost surely, 2^{1064323141665} is an apocalyptic number.

1064323141665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1064323141665 is a deficient number, since it is larger than the sum of its proper divisors (904119418335).

1064323141665 is a wasteful number, since it uses less digits than its factorization.

1064323141665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22346.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 1064323141665 in words is "one trillion, sixty-four billion, three hundred twenty-three million, one hundred forty-one thousand, six hundred sixty-five".