161103667 has 2 divisors, whose sum is σ = 161103668. Its totient is φ = 161103666.

The previous prime is 161103629. The next prime is 161103721. The reversal of 161103667 is 766301161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161103667 - 2⁷ = 161103539 is a prime.

It is not a weakly prime, because it can be changed into another prime (161103367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80551833 + 80551834.

It is an arithmetic number, because the mean of its divisors is an integer number (80551834).

Almost surely, 2^161103667 is an apocalyptic number.

161103667 is a deficient number, since it is larger than the sum of its proper divisors (1).

161103667 is an equidigital number, since it uses as much as digits as its factorization.

161103667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 161103667 is about 12692.6619351498. The cubic root of 161103667 is about 544.1289196240.

The spelling of 161103667 in words is "one hundred sixty-one million, one hundred three thousand, six hundred sixty-seven".