163836494 has 8 divisors (see below), whose sum is σ = 247113048. Its totient is φ = 81465480.

The previous prime is 163836473. The next prime is 163836499. The reversal of 163836494 is 494638361.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163836499) 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, 225932 + ... + 226655.

It is an arithmetic number, because the mean of its divisors is an integer number (30889131).

Almost surely, 2^163836494 is an apocalyptic number.

163836494 is a deficient number, since it is larger than the sum of its proper divisors (83276554).

163836494 is a wasteful number, since it uses less digits than its factorization.

163836494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452770.

The product of its digits is 373248, while the sum is 44.

The square root of 163836494 is about 12799.8630461423. The cubic root of 163836494 is about 547.1883997995.

The spelling of 163836494 in words is "one hundred sixty-three million, eight hundred thirty-six thousand, four hundred ninety-four".