1042610164865 has 8 divisors (see below), whose sum is σ = 1251587337000. Its totient is φ = 833784705792.

The previous prime is 1042610164807. The next prime is 1042610164901. The reversal of 1042610164865 is 5684610162401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 143543992384 + 899066172481 = 378872^2 + 948191^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042610164865 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37913144 + ... + 37940633.

It is an arithmetic number, because the mean of its divisors is an integer number (156448417125).

Almost surely, 2^{1042610164865} is an apocalyptic number.

It is an amenable number.

1042610164865 is a deficient number, since it is larger than the sum of its proper divisors (208977172135).

1042610164865 is an equidigital number, since it uses as much as digits as its factorization.

1042610164865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75856531.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 1042610164865 in words is "one trillion, forty-two billion, six hundred ten million, one hundred sixty-four thousand, eight hundred sixty-five".