1578368605426 has 8 divisors (see below), whose sum is σ = 2396077642224. Its totient is φ = 779676058020.

The previous prime is 1578368605403. The next prime is 1578368605439. The reversal of 1578368605426 is 6245068638751.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4754122140 + ... + 4754122471.

It is an arithmetic number, because the mean of its divisors is an integer number (299509705278).

Almost surely, 2^{1578368605426} is an apocalyptic number.

1578368605426 is a deficient number, since it is larger than the sum of its proper divisors (817709036798).

1578368605426 is an equidigital number, since it uses as much as digits as its factorization.

1578368605426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9508244696.

The product of its (nonzero) digits is 58060800, while the sum is 61.

The spelling of 1578368605426 in words is "one trillion, five hundred seventy-eight billion, three hundred sixty-eight million, six hundred five thousand, four hundred twenty-six".