67267518225 has 12 divisors (see below), whose sum is σ = 111215630256. Its totient is φ = 35876009680.

The previous prime is 67267518211. The next prime is 67267518239. The reversal of 67267518225 is 52281576276.

It is an interprime number because it is at equal distance from previous prime (67267518211) and next prime (67267518239).

It is not a de Polignac number, because 67267518225 - 2¹⁰ = 67267517201 is a prime.

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, 448450047 + ... + 448450196.

It is an arithmetic number, because the mean of its divisors is an integer number (9267969188).

Almost surely, 2^67267518225 is an apocalyptic number.

It is an amenable number.

67267518225 is a deficient number, since it is larger than the sum of its proper divisors (43948112031).

67267518225 is a wasteful number, since it uses less digits than its factorization.

67267518225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896900256 (or 896900251 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 51.

It can be divided in two parts, 672675 and 18225, that added together give a triangular number (690900 = T₁₁₇₅).

The spelling of 67267518225 in words is "sixty-seven billion, two hundred sixty-seven million, five hundred eighteen thousand, two hundred twenty-five".