1641340855472 has 40 divisors (see below), whose sum is σ = 3260035719360. Its totient is φ = 800070494720.

The previous prime is 1641340855463. The next prime is 1641340855499. The reversal of 1641340855472 is 2745580431461.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1641340855472.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10472 + ... + 1811847.

It is an arithmetic number, because the mean of its divisors is an integer number (81500892984).

Almost surely, 2^{1641340855472} is an apocalyptic number.

It is an amenable number.

1641340855472 is a deficient number, since it is larger than the sum of its proper divisors (1618694863888).

1641340855472 is a wasteful number, since it uses less digits than its factorization.

1641340855472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823741 (or 1823735 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 50.

The spelling of 1641340855472 in words is "one trillion, six hundred forty-one billion, three hundred forty million, eight hundred fifty-five thousand, four hundred seventy-two".