667410146 has 32 divisors (see below), whose sum is σ = 1097349120. Its totient is φ = 302593536.

The previous prime is 667410143. The next prime is 667410167. The reversal of 667410146 is 641014766.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (667410143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352370 + ... + 354258.

It is an arithmetic number, because the mean of its divisors is an integer number (34292160).

Almost surely, 2^667410146 is an apocalyptic number.

667410146 is a deficient number, since it is larger than the sum of its proper divisors (429938974).

667410146 is a wasteful number, since it uses less digits than its factorization.

667410146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 667410146 is about 25834.2823782663. The cubic root of 667410146 is about 873.9050886014.

The spelling of 667410146 in words is "six hundred sixty-seven million, four hundred ten thousand, one hundred forty-six".