163294461 has 30 divisors (see below), whose sum is σ = 268141566. Its totient is φ = 98960400.

The previous prime is 163294451. The next prime is 163294463. The reversal of 163294461 is 164492361.

It can be written as a sum of positive squares in only one way, i.e., 138791961 + 24502500 = 11781^2 + 4950^2 .

It is not a de Polignac number, because 163294461 - 2⁵ = 163294429 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163294463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1471 + ... + 18131.

Almost surely, 2^163294461 is an apocalyptic number.

163294461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

163294461 is a deficient number, since it is larger than the sum of its proper divisors (104847105).

163294461 is a wasteful number, since it uses less digits than its factorization.

163294461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16695 (or 16675 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 163294461 is about 12778.6721141126. The cubic root of 163294461 is about 546.5842978135.

The spelling of 163294461 in words is "one hundred sixty-three million, two hundred ninety-four thousand, four hundred sixty-one".