1604107564617 has 4 divisors (see below), whose sum is σ = 2138810086160. Its totient is φ = 1069405043076.

The previous prime is 1604107564597. The next prime is 1604107564639. The reversal of 1604107564617 is 7164657014061.

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 not a de Polignac number, because 1604107564617 - 2¹⁶ = 1604107499081 is a prime.

It is a super-2 number, since 2×1604107564617² (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 (1604107564117) 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, 267351260767 + ... + 267351260772.

It is an arithmetic number, because the mean of its divisors is an integer number (534702521540).

Almost surely, 2^{1604107564617} is an apocalyptic number.

It is an amenable number.

1604107564617 is a deficient number, since it is larger than the sum of its proper divisors (534702521543).

1604107564617 is an equidigital number, since it uses as much as digits as its factorization.

1604107564617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534702521542.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 1604107564617 in words is "one trillion, six hundred four billion, one hundred seven million, five hundred sixty-four thousand, six hundred seventeen".