1043019802161 has 40 divisors (see below), whose sum is σ = 1560124051200. Its totient is φ = 694440135648.

The previous prime is 1043019802147. The next prime is 1043019802163. The reversal of 1043019802161 is 1612089103401.

1043019802161 is a `hidden beast` number, since 1 + 0 + 430 + 1 + 9 + 8 + 0 + 216 + 1 = 666.

1043019802161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1043019802161 - 2²³ = 1043011413553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1043019802163) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 338311726 + ... + 338314808.

It is an arithmetic number, because the mean of its divisors is an integer number (39003101280).

Almost surely, 2^{1043019802161} is an apocalyptic number.

It is an amenable number.

1043019802161 is a deficient number, since it is larger than the sum of its proper divisors (517104249039).

1043019802161 is a wasteful number, since it uses less digits than its factorization.

1043019802161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7187 (or 7178 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 1043019802161 in words is "one trillion, forty-three billion, nineteen million, eight hundred two thousand, one hundred sixty-one".