168276346225 has 27 divisors (see below), whose sum is σ = 225984142209. Its totient is φ = 124245919200.

The previous prime is 168276346213. The next prime is 168276346237. The reversal of 168276346225 is 522643672861.

The square root of 168276346225 is 410215.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (168276346213) and next prime (168276346237).

It can be written as a sum of positive squares in 4 ways, for example, as 43373477169 + 124902869056 = 208263^2 + 353416^2 .

It is a de Polignac number, because none of the positive numbers 2^k-168276346225 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 26660820 + ... + 26667130.

Almost surely, 2^168276346225 is an apocalyptic number.

168276346225 is the 410215-th square number.

168276346225 is the 205108-th centered octagonal number.

It is an amenable number.

168276346225 is a deficient number, since it is larger than the sum of its proper divisors (57707795984).

168276346225 is an frugal number, since it uses more digits than its factorization.

168276346225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12658 (or 6329 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 52.

The spelling of 168276346225 in words is "one hundred sixty-eight billion, two hundred seventy-six million, three hundred forty-six thousand, two hundred twenty-five".