173149368 has 64 divisors (see below), whose sum is σ = 498389760. Its totient is φ = 49103616.

The previous prime is 173149349. The next prime is 173149397. The reversal of 173149368 is 863941371.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19255 + ... + 26777.

It is an arithmetic number, because the mean of its divisors is an integer number (7787340).

Almost surely, 2^173149368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 173149368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249194880).

173149368 is an abundant number, since it is smaller than the sum of its proper divisors (325240392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

173149368 is a wasteful number, since it uses less digits than its factorization.

173149368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7676 (or 7672 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 173149368 is about 13158.6233322487. The cubic root of 173149368 is about 557.3657829421.

The spelling of 173149368 in words is "one hundred seventy-three million, one hundred forty-nine thousand, three hundred sixty-eight".