161762983 has 2 divisors, whose sum is σ = 161762984. Its totient is φ = 161762982.

The previous prime is 161762971. The next prime is 161762987. The reversal of 161762983 is 389267161.

161762983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161762983 - 2²⁵ = 128208551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161762987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80881491 + 80881492.

It is an arithmetic number, because the mean of its divisors is an integer number (80881492).

Almost surely, 2^161762983 is an apocalyptic number.

161762983 is a deficient number, since it is larger than the sum of its proper divisors (1).

161762983 is an equidigital number, since it uses as much as digits as its factorization.

161762983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 43.

The square root of 161762983 is about 12718.6077461332. The cubic root of 161762983 is about 544.8701910073.

The spelling of 161762983 in words is "one hundred sixty-one million, seven hundred sixty-two thousand, nine hundred eighty-three".