163351043 has 2 divisors, whose sum is σ = 163351044. Its totient is φ = 163351042.

The previous prime is 163351039. The next prime is 163351063. The reversal of 163351043 is 340153361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163351043 - 2² = 163351039 is a prime.

It is not a weakly prime, because it can be changed into another prime (163351033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81675521 + 81675522.

It is an arithmetic number, because the mean of its divisors is an integer number (81675522).

Almost surely, 2^163351043 is an apocalyptic number.

163351043 is a deficient number, since it is larger than the sum of its proper divisors (1).

163351043 is an equidigital number, since it uses as much as digits as its factorization.

163351043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 163351043 is about 12780.8858456681. The cubic root of 163351043 is about 546.6474215331.

The spelling of 163351043 in words is "one hundred sixty-three million, three hundred fifty-one thousand, forty-three".