66603148 has 12 divisors (see below), whose sum is σ = 116635680. Its totient is φ = 33278672.

The previous prime is 66603143. The next prime is 66603167. The reversal of 66603148 is 84130666.

It is a super-3 number, since 3×66603148³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (66603143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1965 + ... + 11707.

It is an arithmetic number, because the mean of its divisors is an integer number (9719640).

Almost surely, 2^66603148 is an apocalyptic number.

It is an amenable number.

66603148 is a deficient number, since it is larger than the sum of its proper divisors (50032532).

66603148 is a wasteful number, since it uses less digits than its factorization.

66603148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11456 (or 11454 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 66603148 is about 8161.0751742647. The cubic root of 66603148 is about 405.3513143305.

The spelling of 66603148 in words is "sixty-six million, six hundred three thousand, one hundred forty-eight".