163924534 has 8 divisors (see below), whose sum is σ = 245950920. Its totient is φ = 81940896.

The previous prime is 163924531. The next prime is 163924583. The reversal of 163924534 is 435429361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 163924493 and 163924502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163924531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1837 + ... + 18199.

It is an arithmetic number, because the mean of its divisors is an integer number (30743865).

Almost surely, 2^163924534 is an apocalyptic number.

163924534 is a deficient number, since it is larger than the sum of its proper divisors (82026386).

163924534 is a wasteful number, since it uses less digits than its factorization.

163924534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21374.

The product of its digits is 77760, while the sum is 37.

The square root of 163924534 is about 12803.3016835502. The cubic root of 163924534 is about 547.2863955493.

The spelling of 163924534 in words is "one hundred sixty-three million, nine hundred twenty-four thousand, five hundred thirty-four".