1641468446448 has 20 divisors (see below), whose sum is σ = 4240460153448. Its totient is φ = 547156148800.

The previous prime is 1641468446437. The next prime is 1641468446473. The reversal of 1641468446448 is 8446448641461.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1641468446391 and 1641468446400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17098629603 + ... + 17098629698.

Almost surely, 2^{1641468446448} is an apocalyptic number.

It is an amenable number.

1641468446448 is an abundant number, since it is smaller than the sum of its proper divisors (2598991707000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1641468446448 is a wasteful number, since it uses less digits than its factorization.

1641468446448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34197259312 (or 34197259306 counting only the distinct ones).

The product of its digits is 56623104, while the sum is 60.

The spelling of 1641468446448 in words is "one trillion, six hundred forty-one billion, four hundred sixty-eight million, four hundred forty-six thousand, four hundred forty-eight".