1641518580363 has 16 divisors (see below), whose sum is σ = 2202847426560. Its totient is φ = 1087269090336.

The previous prime is 1641518580323. The next prime is 1641518580371. The reversal of 1641518580363 is 3630858151461.

It is not a de Polignac number, because 1641518580363 - 2¹⁰ = 1641518579339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1641518580323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4808256 + ... + 5138322.

It is an arithmetic number, because the mean of its divisors is an integer number (137677964160).

Almost surely, 2^{1641518580363} is an apocalyptic number.

1641518580363 is a deficient number, since it is larger than the sum of its proper divisors (561328846197).

1641518580363 is a wasteful number, since it uses less digits than its factorization.

1641518580363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340786.

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 1641518580363 in words is "one trillion, six hundred forty-one billion, five hundred eighteen million, five hundred eighty thousand, three hundred sixty-three".