146666684 has 48 divisors (see below), whose sum is σ = 279417600. Its totient is φ = 67105536.

The previous prime is 146666677. The next prime is 146666687. The reversal of 146666684 is 486666641.

It is a super-2 number, since 2×146666684² = 43022232391111712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146666687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557537 + ... + 557799.

It is an arithmetic number, because the mean of its divisors is an integer number (5821200).

Almost surely, 2^146666684 is an apocalyptic number.

It is an amenable number.

146666684 is a deficient number, since it is larger than the sum of its proper divisors (132750916).

146666684 is a wasteful number, since it uses less digits than its factorization.

146666684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 480 counting only the distinct ones).

The product of its digits is 995328, while the sum is 47.

The square root of 146666684 is about 12110.6021320164. The cubic root of 146666684 is about 527.3640136726.

The spelling of 146666684 in words is "one hundred forty-six million, six hundred sixty-six thousand, six hundred eighty-four".