173320016 has 20 divisors (see below), whose sum is σ = 336055872. Its totient is φ = 86595936.

The previous prime is 173320003. The next prime is 173320027. The reversal of 173320016 is 610023371.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 173319973 and 173320000.

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, 24425 + ... + 30711.

Almost surely, 2^173320016 is an apocalyptic number.

173320016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

173320016 is a deficient number, since it is larger than the sum of its proper divisors (162735856).

173320016 is a wasteful number, since it uses less digits than its factorization.

173320016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8018 (or 8012 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 173320016 is about 13165.1060003328. The cubic root of 173320016 is about 557.5488274581.

Adding to 173320016 its reverse (610023371), we get a palindrome (783343387).

The spelling of 173320016 in words is "one hundred seventy-three million, three hundred twenty thousand, sixteen".