1568238601 has 4 divisors (see below), whose sum is σ = 1636422912. Its totient is φ = 1500054292.

The previous prime is 1568238533. The next prime is 1568238631. The reversal of 1568238601 is 1068328651.

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 a cyclic number.

It is not a de Polignac number, because 1568238601 - 2¹⁵ = 1568205833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1568238631) 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, 34092121 + ... + 34092166.

It is an arithmetic number, because the mean of its divisors is an integer number (409105728).

Almost surely, 2^1568238601 is an apocalyptic number.

It is an amenable number.

1568238601 is a deficient number, since it is larger than the sum of its proper divisors (68184311).

1568238601 is an equidigital number, since it uses as much as digits as its factorization.

1568238601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68184310.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 1568238601 is about 39600.9924244330. The cubic root of 1568238601 is about 1161.8160715337.

The spelling of 1568238601 in words is "one billion, five hundred sixty-eight million, two hundred thirty-eight thousand, six hundred one".