163461 has 12 divisors (see below), whose sum is σ = 230048. Its totient is φ = 103224.

The previous prime is 163433. The next prime is 163469. The reversal of 163461 is 164361.

163461 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 163461 - 2¹³ = 155269 is a prime.

It is a Duffinian number.

163461 is strictly pandigital in base 7.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163469) 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, 1536 + ... + 1638.

2¹⁶³⁴⁶¹ is an apocalyptic number.

It is an amenable number.

163461 is a deficient number, since it is larger than the sum of its proper divisors (66587).

163461 is a wasteful number, since it uses less digits than its factorization.

163461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 129 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 163461 is about 404.3031041187. The cubic root of 163461 is about 54.6770049520.

Subtracting 163461 from its reverse (164361), we obtain a square (900 = 30²).

The spelling of 163461 in words is "one hundred sixty-three thousand, four hundred sixty-one".