66430148 has 12 divisors (see below), whose sum is σ = 120003072. Its totient is φ = 32143560.

The previous prime is 66430121. The next prime is 66430163. The reversal of 66430148 is 84103466.

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, 267740 + ... + 267987.

It is an arithmetic number, because the mean of its divisors is an integer number (10000256).

Almost surely, 2^66430148 is an apocalyptic number.

It is an amenable number.

66430148 is a deficient number, since it is larger than the sum of its proper divisors (53572924).

66430148 is a wasteful number, since it uses less digits than its factorization.

66430148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535762 (or 535760 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 66430148 is about 8150.4691889486. The cubic root of 66430148 is about 405.0000467408. Note that the first 4 decimals are identical.

The spelling of 66430148 in words is "sixty-six million, four hundred thirty thousand, one hundred forty-eight".