163052709 has 4 divisors (see below), whose sum is σ = 217403616. Its totient is φ = 108701804.

The previous prime is 163052677. The next prime is 163052719. The reversal of 163052709 is 907250361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 163052709 - 2⁵ = 163052677 is a prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 163052709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163052719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27175449 + ... + 27175454.

It is an arithmetic number, because the mean of its divisors is an integer number (54350904).

Almost surely, 2^163052709 is an apocalyptic number.

It is an amenable number.

163052709 is a deficient number, since it is larger than the sum of its proper divisors (54350907).

163052709 is an equidigital number, since it uses as much as digits as its factorization.

163052709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54350906.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 163052709 is about 12769.2094117060. The cubic root of 163052709 is about 546.3144313228.

The spelling of 163052709 in words is "one hundred sixty-three million, fifty-two thousand, seven hundred nine".