1578360206641 has 4 divisors (see below), whose sum is σ = 1584361576512. Its totient is φ = 1572358836772.

The previous prime is 1578360206623. The next prime is 1578360206659. The reversal of 1578360206641 is 1466020638751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1578360206623) and next prime (1578360206659).

It is a cyclic number.

It is not a de Polignac number, because 1578360206641 - 2³⁵ = 1544000468273 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1578360206611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3000684541 + ... + 3000685066.

It is an arithmetic number, because the mean of its divisors is an integer number (396090394128).

Almost surely, 2^{1578360206641} is an apocalyptic number.

It is an amenable number.

1578360206641 is a deficient number, since it is larger than the sum of its proper divisors (6001369871).

1578360206641 is an equidigital number, since it uses as much as digits as its factorization.

1578360206641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6001369870.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 1578360206641 in words is "one trillion, five hundred seventy-eight billion, three hundred sixty million, two hundred six thousand, six hundred forty-one".