163461213 has 8 divisors (see below), whose sum is σ = 242164800. Its totient is φ = 108974124.

The previous prime is 163461209. The next prime is 163461217. The reversal of 163461213 is 312164361.

163461213 is a `hidden beast` number, since 1 + 6 + 34 + 612 + 13 = 666.

It is an interprime number because it is at equal distance from previous prime (163461209) and next prime (163461217).

It is not a de Polignac number, because 163461213 - 2² = 163461209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 6054119 = 163461213 / (1 + 6 + 3 + 4 + 6 + 1 + 2 + 1 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163461217) 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, 3027033 + ... + 3027086.

It is an arithmetic number, because the mean of its divisors is an integer number (30270600).

Almost surely, 2^163461213 is an apocalyptic number.

It is an amenable number.

163461213 is a deficient number, since it is larger than the sum of its proper divisors (78703587).

163461213 is an equidigital number, since it uses as much as digits as its factorization.

163461213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6054128 (or 6054122 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 163461213 is about 12785.1950708622. The cubic root of 163461213 is about 546.7702870120.

The spelling of 163461213 in words is "one hundred sixty-three million, four hundred sixty-one thousand, two hundred thirteen".