163206413 has 8 divisors (see below), whose sum is σ = 175796736. Its totient is φ = 151074000.

The previous prime is 163206391. The next prime is 163206427. The reversal of 163206413 is 314602361.

163206413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 163206413 - 2⁶ = 163206349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163206913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113738 + ... + 115163.

It is an arithmetic number, because the mean of its divisors is an integer number (21974592).

Almost surely, 2^163206413 is an apocalyptic number.

It is an amenable number.

163206413 is a deficient number, since it is larger than the sum of its proper divisors (12590323).

163206413 is a wasteful number, since it uses less digits than its factorization.

163206413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228955.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 163206413 is about 12775.2265341950. The cubic root of 163206413 is about 546.4860411502.

Adding to 163206413 its reverse (314602361), we get a palindrome (477808774).

The spelling of 163206413 in words is "one hundred sixty-three million, two hundred six thousand, four hundred thirteen".