163073961 has 12 divisors (see below), whose sum is σ = 235692288. Its totient is φ = 108650904.

The previous prime is 163073921. The next prime is 163073971. The reversal of 163073961 is 169370361.

It is not a de Polignac number, because 163073961 - 2¹⁰ = 163072937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163073921) 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, 14176 + ... + 22958.

It is an arithmetic number, because the mean of its divisors is an integer number (19641024).

Almost surely, 2^163073961 is an apocalyptic number.

It is an amenable number.

163073961 is a deficient number, since it is larger than the sum of its proper divisors (72618327).

163073961 is a wasteful number, since it uses less digits than its factorization.

163073961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10852 (or 10849 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 163073961 is about 12770.0415426106. The cubic root of 163073961 is about 546.3381655087.

The spelling of 163073961 in words is "one hundred sixty-three million, seventy-three thousand, nine hundred sixty-one".