1005198166443 has 16 divisors (see below), whose sum is σ = 1353800448000. Its totient is φ = 663375273120.

The previous prime is 1005198166411. The next prime is 1005198166447. The reversal of 1005198166443 is 3446618915001.

It is not a de Polignac number, because 1005198166443 - 2⁵ = 1005198166411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1005198166392 and 1005198166401.

It is not an unprimeable number, because it can be changed into a prime (1005198166447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1052043 + ... + 1765556.

It is an arithmetic number, because the mean of its divisors is an integer number (84612528000).

Almost surely, 2^{1005198166443} is an apocalyptic number.

1005198166443 is a deficient number, since it is larger than the sum of its proper divisors (348602281557).

1005198166443 is a wasteful number, since it uses less digits than its factorization.

1005198166443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818802.

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 1005198166443 in words is "one trillion, five billion, one hundred ninety-eight million, one hundred sixty-six thousand, four hundred forty-three".