163468261 has 4 divisors (see below), whose sum is σ = 178329024. Its totient is φ = 148607500.

The previous prime is 163468259. The next prime is 163468289. The reversal of 163468261 is 162864361.

It is a happy number.

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 163468261 - 2¹ = 163468259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163468261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163468231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7430365 + ... + 7430386.

It is an arithmetic number, because the mean of its divisors is an integer number (44582256).

Almost surely, 2^163468261 is an apocalyptic number.

163468261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

163468261 is a deficient number, since it is larger than the sum of its proper divisors (14860763).

163468261 is a wasteful number, since it uses less digits than its factorization.

163468261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14860762.

The product of its digits is 41472, while the sum is 37.

The square root of 163468261 is about 12785.4706991960. The cubic root of 163468261 is about 546.7781453117.

The spelling of 163468261 in words is "one hundred sixty-three million, four hundred sixty-eight thousand, two hundred sixty-one".