161090880883 has 2 divisors, whose sum is σ = 161090880884. Its totient is φ = 161090880882.

The previous prime is 161090880877. The next prime is 161090880901. The reversal of 161090880883 is 388088090161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161090880883 - 2⁹ = 161090880371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 161090880883.

It is not a weakly prime, because it can be changed into another prime (161090880683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80545440441 + 80545440442.

It is an arithmetic number, because the mean of its divisors is an integer number (80545440442).

Almost surely, 2^161090880883 is an apocalyptic number.

161090880883 is a deficient number, since it is larger than the sum of its proper divisors (1).

161090880883 is an equidigital number, since it uses as much as digits as its factorization.

161090880883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 52.

The spelling of 161090880883 in words is "one hundred sixty-one billion, ninety million, eight hundred eighty thousand, eight hundred eighty-three".