163207401 has 16 divisors (see below), whose sum is σ = 249330048. Its totient is φ = 93024000.

The previous prime is 163207381. The next prime is 163207433. The reversal of 163207401 is 104702361.

It is not a de Polignac number, because 163207401 - 2⁶ = 163207337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163207441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1270 + ... + 18111.

It is an arithmetic number, because the mean of its divisors is an integer number (15583128).

Almost surely, 2^163207401 is an apocalyptic number.

It is an amenable number.

163207401 is a deficient number, since it is larger than the sum of its proper divisors (86122647).

163207401 is a wasteful number, since it uses less digits than its factorization.

163207401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19792.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 163207401 is about 12775.2652027267. The cubic root of 163207401 is about 546.4871438992.

Adding to 163207401 its reverse (104702361), we get a palindrome (267909762).

The spelling of 163207401 in words is "one hundred sixty-three million, two hundred seven thousand, four hundred one".