163043013 has 8 divisors (see below), whose sum is σ = 248446528. Its totient is φ = 93167424.

The previous prime is 163043003. The next prime is 163043029. The reversal of 163043013 is 310340361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 163043013 - 2⁶ = 163042949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 7763953 = 163043013 / (1 + 6 + 3 + 0 + 4 + 3 + 0 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163043003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3881956 + ... + 3881997.

It is an arithmetic number, because the mean of its divisors is an integer number (31055816).

Almost surely, 2^163043013 is an apocalyptic number.

It is an amenable number.

163043013 is a deficient number, since it is larger than the sum of its proper divisors (85403515).

163043013 is an equidigital number, since it uses as much as digits as its factorization.

163043013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7763963.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 163043013 is about 12768.8297427760. The cubic root of 163043013 is about 546.3036021667.

Adding to 163043013 its reverse (310340361), we get a palindrome (473383374).

The spelling of 163043013 in words is "one hundred sixty-three million, forty-three thousand, thirteen".