172196316 has 72 divisors (see below), whose sum is σ = 474037200. Its totient is φ = 52496640.

The previous prime is 172196303. The next prime is 172196329. The reversal of 172196316 is 613691271.

172196316 is a `hidden beast` number, since 1 + 7 + 2 + 19 + 631 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (172196303) and next prime (172196329).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15496 + ... + 24176.

It is an arithmetic number, because the mean of its divisors is an integer number (6583850).

Almost surely, 2^172196316 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 172196316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237018600).

172196316 is an abundant number, since it is smaller than the sum of its proper divisors (301840884).

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

172196316 is a wasteful number, since it uses less digits than its factorization.

172196316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8739 (or 8734 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 172196316 is about 13122.3593915119. The cubic root of 172196316 is about 556.3412798736.

The spelling of 172196316 in words is "one hundred seventy-two million, one hundred ninety-six thousand, three hundred sixteen".