146420666 has 16 divisors (see below), whose sum is σ = 251821440. Its totient is φ = 62548080.

The previous prime is 146420653. The next prime is 146420671. The reversal of 146420666 is 666024641.

It is a super-2 number, since 2×146420666² = 42878022863767112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12461 + ... + 21168.

It is an arithmetic number, because the mean of its divisors is an integer number (15738840).

Almost surely, 2^146420666 is an apocalyptic number.

146420666 is a deficient number, since it is larger than the sum of its proper divisors (105400774).

146420666 is a wasteful number, since it uses less digits than its factorization.

146420666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33949.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 146420666 is about 12100.4407357749. The cubic root of 146420666 is about 527.0689826849.

The spelling of 146420666 in words is "one hundred forty-six million, four hundred twenty thousand, six hundred sixty-six".