1671049741643 has 16 divisors (see below), whose sum is σ = 1723990262400. Its totient is φ = 1619092272000.

The previous prime is 1671049741633. The next prime is 1671049741649. The reversal of 1671049741643 is 3461479401761.

It is a cyclic number.

It is not a de Polignac number, because 1671049741643 - 2⁶ = 1671049741579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1671049741649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493268 + ... + 1893518.

It is an arithmetic number, because the mean of its divisors is an integer number (107749391400).

Almost surely, 2^{1671049741643} is an apocalyptic number.

1671049741643 is a deficient number, since it is larger than the sum of its proper divisors (52940520757).

1671049741643 is a wasteful number, since it uses less digits than its factorization.

1671049741643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400602.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 1671049741643 in words is "one trillion, six hundred seventy-one billion, forty-nine million, seven hundred forty-one thousand, six hundred forty-three".