163721314 has 16 divisors (see below), whose sum is σ = 259873920. Its totient is φ = 77197120.

The previous prime is 163721287. The next prime is 163721329. The reversal of 163721314 is 413127361.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21799 + ... + 28330.

It is an arithmetic number, because the mean of its divisors is an integer number (16242120).

Almost surely, 2^163721314 is an apocalyptic number.

163721314 is a deficient number, since it is larger than the sum of its proper divisors (96152606).

163721314 is a wasteful number, since it uses less digits than its factorization.

163721314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50225.

The product of its digits is 3024, while the sum is 28.

The square root of 163721314 is about 12795.3629882079. The cubic root of 163721314 is about 547.0601419790.

Adding to 163721314 its reverse (413127361), we get a palindrome (576848675).

The spelling of 163721314 in words is "one hundred sixty-three million, seven hundred twenty-one thousand, three hundred fourteen".