670982148225 has 135 divisors (see below), whose sum is σ = 1261954507737. Its totient is φ = 352450854720.

The previous prime is 670982148203. The next prime is 670982148251. The reversal of 670982148225 is 522841289076.

The square root of 670982148225 is 819135.

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

670982148225 is a `hidden beast` number, since 6 + 70 + 98 + 2 + 1 + 482 + 2 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2460060801 + 668522087424 = 49599^2 + 817632^2 .

It is a tau number, because it is divible by the number of its divisors (135).

It is not a de Polignac number, because 670982148225 - 2⁷ = 670982148097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 4017857092 + ... + 4017857258.

Almost surely, 2^670982148225 is an apocalyptic number.

670982148225 is the 819135-th square number.

670982148225 is the 409568-th centered octagonal number.

It is an amenable number.

670982148225 is a deficient number, since it is larger than the sum of its proper divisors (590972359512).

670982148225 is an equidigital number, since it uses as much as digits as its factorization.

670982148225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 670982148225 in words is "six hundred seventy billion, nine hundred eighty-two million, one hundred forty-eight thousand, two hundred twenty-five".