163331461 has 16 divisors (see below), whose sum is σ = 176667264. Its totient is φ = 150441984.

The previous prime is 163331459. The next prime is 163331471. The reversal of 163331461 is 164133361.

It is a cyclic number.

It is not a de Polignac number, because 163331461 - 2¹ = 163331459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163331471) 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, 219456 + ... + 220198.

It is an arithmetic number, because the mean of its divisors is an integer number (11041704).

Almost surely, 2^163331461 is an apocalyptic number.

It is an amenable number.

163331461 is a deficient number, since it is larger than the sum of its proper divisors (13335803).

163331461 is a wasteful number, since it uses less digits than its factorization.

163331461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020.

The product of its digits is 3888, while the sum is 28.

The square root of 163331461 is about 12780.1197568724. The cubic root of 163331461 is about 546.6255772127.

The spelling of 163331461 in words is "one hundred sixty-three million, three hundred thirty-one thousand, four hundred sixty-one".