146648668 has 12 divisors (see below), whose sum is σ = 261477720. Its totient is φ = 71940752.

The previous prime is 146648657. The next prime is 146648683. The reversal of 146648668 is 866846641.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345658 + ... + 346081.

It is an arithmetic number, because the mean of its divisors is an integer number (21789810).

Almost surely, 2^146648668 is an apocalyptic number.

It is an amenable number.

146648668 is a deficient number, since it is larger than the sum of its proper divisors (114829052).

146648668 is a wasteful number, since it uses less digits than its factorization.

146648668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691796 (or 691794 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 49.

The square root of 146648668 is about 12109.8582980975. The cubic root of 146648668 is about 527.3424196317.

It can be divided in two parts, 14664 and 8668, that added together give a palindrome (23332).

The spelling of 146648668 in words is "one hundred forty-six million, six hundred forty-eight thousand, six hundred sixty-eight".