163120502 has 8 divisors (see below), whose sum is σ = 244835136. Its totient is φ = 81508792.

The previous prime is 163120493. The next prime is 163120519. The reversal of 163120502 is 205021361.

163120502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21638 + ... + 28185.

It is an arithmetic number, because the mean of its divisors is an integer number (30604392).

Almost surely, 2^163120502 is an apocalyptic number.

163120502 is a deficient number, since it is larger than the sum of its proper divisors (81714634).

163120502 is a wasteful number, since it uses less digits than its factorization.

163120502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51462.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 163120502 is about 12771.8636854611. The cubic root of 163120502 is about 546.3901351913.

Adding to 163120502 its reverse (205021361), we get a palindrome (368141863).

The spelling of 163120502 in words is "one hundred sixty-three million, one hundred twenty thousand, five hundred two".