163036745 has 8 divisors (see below), whose sum is σ = 199335816. Its totient is φ = 127968256.

The previous prime is 163036729. The next prime is 163036747. The reversal of 163036745 is 547630361.

It can be written as a sum of positive squares in 4 ways, for example, as 43178041 + 119858704 = 6571^2 + 10948^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 163036745 - 2⁴ = 163036729 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163036747) 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, 307352 + ... + 307881.

It is an arithmetic number, because the mean of its divisors is an integer number (24916977).

Almost surely, 2^163036745 is an apocalyptic number.

It is an amenable number.

163036745 is a deficient number, since it is larger than the sum of its proper divisors (36299071).

163036745 is an equidigital number, since it uses as much as digits as its factorization.

163036745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615291.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 163036745 is about 12768.5842989738. The cubic root of 163036745 is about 546.2966014070.

The spelling of 163036745 in words is "one hundred sixty-three million, thirty-six thousand, seven hundred forty-five".