161088503 has 2 divisors, whose sum is σ = 161088504. Its totient is φ = 161088502.

The previous prime is 161088469. The next prime is 161088523. The reversal of 161088503 is 305880161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161088503 - 2²⁰ = 160039927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 161088503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161088523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80544251 + 80544252.

It is an arithmetic number, because the mean of its divisors is an integer number (80544252).

Almost surely, 2^161088503 is an apocalyptic number.

161088503 is a deficient number, since it is larger than the sum of its proper divisors (1).

161088503 is an equidigital number, since it uses as much as digits as its factorization.

161088503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 161088503 is about 12692.0645680677. The cubic root of 161088503 is about 544.1118469114. Note that the first 3 decimals are identical.

The spelling of 161088503 in words is "one hundred sixty-one million, eighty-eight thousand, five hundred three".