1604677505641 has 8 divisors (see below), whose sum is σ = 1834966915520. Its totient is φ = 1374650537328.

The previous prime is 1604677505597. The next prime is 1604677505663. The reversal of 1604677505641 is 1465057764061.

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

It is a cyclic number.

It is not a de Polignac number, because 1604677505641 - 2⁹ = 1604677505129 is a prime.

It is a super-2 number, since 2×1604677505641² (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 (1604677505681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65597286 + ... + 65621743.

It is an arithmetic number, because the mean of its divisors is an integer number (229370864440).

Almost surely, 2^{1604677505641} is an apocalyptic number.

It is an amenable number.

1604677505641 is a deficient number, since it is larger than the sum of its proper divisors (230289409879).

1604677505641 is a wasteful number, since it uses less digits than its factorization.

1604677505641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131220783.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 1604677505641 in words is "one trillion, six hundred four billion, six hundred seventy-seven million, five hundred five thousand, six hundred forty-one".