163109371 has 2 divisors, whose sum is σ = 163109372. Its totient is φ = 163109370.

The previous prime is 163109329. The next prime is 163109377. The reversal of 163109371 is 173901361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163109371 - 2¹¹ = 163107323 is a prime.

It is not a weakly prime, because it can be changed into another prime (163109377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81554685 + 81554686.

It is an arithmetic number, because the mean of its divisors is an integer number (81554686).

Almost surely, 2^163109371 is an apocalyptic number.

163109371 is a deficient number, since it is larger than the sum of its proper divisors (1).

163109371 is an equidigital number, since it uses as much as digits as its factorization.

163109371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 163109371 is about 12771.4279154682. The cubic root of 163109371 is about 546.3777067374.

The spelling of 163109371 in words is "one hundred sixty-three million, one hundred nine thousand, three hundred seventy-one".