1641335343361 has 8 divisors (see below), whose sum is σ = 1875825074880. Its totient is φ = 1406848925328.

The previous prime is 1641335343353. The next prime is 1641335343371. The reversal of 1641335343361 is 1633435331461.

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

It is not a de Polignac number, because 1641335343361 - 2³ = 1641335343353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1641335343301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343650 + ... + 1844116.

It is an arithmetic number, because the mean of its divisors is an integer number (234478134360).

Almost surely, 2^{1641335343361} is an apocalyptic number.

It is an amenable number.

1641335343361 is a deficient number, since it is larger than the sum of its proper divisors (234489731519).

1641335343361 is a wasteful number, since it uses less digits than its factorization.

1641335343361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656743.

The product of its digits is 699840, while the sum is 43.

The spelling of 1641335343361 in words is "one trillion, six hundred forty-one billion, three hundred thirty-five million, three hundred forty-three thousand, three hundred sixty-one".