164352225 has 12 divisors (see below), whose sum is σ = 271729136. Its totient is φ = 87654480.

The previous prime is 164352217. The next prime is 164352233. The reversal of 164352225 is 522253461.

164352225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (164352217) and next prime (164352233).

It is not a de Polignac number, because 164352225 - 2³ = 164352217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164352192 and 164352201.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1095607 + ... + 1095756.

Almost surely, 2^164352225 is an apocalyptic number.

164352225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164352225 is a deficient number, since it is larger than the sum of its proper divisors (107376911).

164352225 is a wasteful number, since it uses less digits than its factorization.

164352225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191376 (or 2191371 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 164352225 is about 12819.9931747252. The cubic root of 164352225 is about 547.7619521699.

The spelling of 164352225 in words is "one hundred sixty-four million, three hundred fifty-two thousand, two hundred twenty-five".