1604560244401 has 12 divisors (see below), whose sum is σ = 1765638883120. Its totient is φ = 1454017969800.

The previous prime is 1604560244303. The next prime is 1604560244411. The reversal of 1604560244401 is 1044420654061.

It is a happy number.

It is not a de Polignac number, because 1604560244401 - 2¹⁵ = 1604560211633 is a prime.

It is a super-2 number, since 2×1604560244401² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1604560244411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79810875 + ... + 79830976.

Almost surely, 2^{1604560244401} is an apocalyptic number.

It is an amenable number.

1604560244401 is a deficient number, since it is larger than the sum of its proper divisors (161078638719).

1604560244401 is a wasteful number, since it uses less digits than its factorization.

1604560244401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159641916 (or 159641893 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

Adding to 1604560244401 its reverse (1044420654061), we get a palindrome (2648980898462).

The spelling of 1604560244401 in words is "one trillion, six hundred four billion, five hundred sixty million, two hundred forty-four thousand, four hundred one".