163992167 has 4 divisors (see below), whose sum is σ = 164708520. Its totient is φ = 163275816.

The previous prime is 163992137. The next prime is 163992197. The reversal of 163992167 is 761299361.

163992167 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 761299361 = 59 ⋅12903379.

It is an interprime number because it is at equal distance from previous prime (163992137) and next prime (163992197).

It is a cyclic number.

It is not a de Polignac number, because 163992167 - 2²⁰ = 162943591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163992137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357833 + ... + 358290.

It is an arithmetic number, because the mean of its divisors is an integer number (41177130).

Almost surely, 2^163992167 is an apocalyptic number.

163992167 is a deficient number, since it is larger than the sum of its proper divisors (716353).

163992167 is an equidigital number, since it uses as much as digits as its factorization.

163992167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716352.

The product of its digits is 122472, while the sum is 44.

The square root of 163992167 is about 12805.9426439446. The cubic root of 163992167 is about 547.3616528043.

The spelling of 163992167 in words is "one hundred sixty-three million, nine hundred ninety-two thousand, one hundred sixty-seven".