163240413 has 12 divisors (see below), whose sum is σ = 253189440. Its totient is φ = 93280152.

The previous prime is 163240387. The next prime is 163240417. The reversal of 163240413 is 314042361.

It is not a de Polignac number, because 163240413 - 2⁸ = 163240157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163240417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 555093 + ... + 555386.

It is an arithmetic number, because the mean of its divisors is an integer number (21099120).

Almost surely, 2^163240413 is an apocalyptic number.

It is an amenable number.

163240413 is a deficient number, since it is larger than the sum of its proper divisors (89949027).

163240413 is a wasteful number, since it uses less digits than its factorization.

163240413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110496 (or 1110489 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 163240413 is about 12776.5571653713. The cubic root of 163240413 is about 546.5239874436.

Adding to 163240413 its reverse (314042361), we get a palindrome (477282774).

The spelling of 163240413 in words is "one hundred sixty-three million, two hundred forty thousand, four hundred thirteen".