10161666043 has 2 divisors, whose sum is σ = 10161666044. Its totient is φ = 10161666042.

The previous prime is 10161665909. The next prime is 10161666079. The reversal of 10161666043 is 34066616101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10161666043 - 2²⁵ = 10128111611 is a prime.

It is not a weakly prime, because it can be changed into another prime (10161666143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5080833021 + 5080833022.

It is an arithmetic number, because the mean of its divisors is an integer number (5080833022).

Almost surely, 2^10161666043 is an apocalyptic number.

10161666043 is a deficient number, since it is larger than the sum of its proper divisors (1).

10161666043 is an equidigital number, since it uses as much as digits as its factorization.

10161666043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 10161666043 in words is "ten billion, one hundred sixty-one million, six hundred sixty-six thousand, forty-three".