66601298 has 8 divisors (see below), whose sum is σ = 99941040. Its totient is φ = 33287620.

The previous prime is 66601279. The next prime is 66601351. The reversal of 66601298 is 89210666.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2213 + ... + 11751.

It is an arithmetic number, because the mean of its divisors is an integer number (12492630).

Almost surely, 2^66601298 is an apocalyptic number.

66601298 is a deficient number, since it is larger than the sum of its proper divisors (33339742).

66601298 is a wasteful number, since it uses less digits than its factorization.

66601298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13032.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 66601298 is about 8160.9618305687. The cubic root of 66601298 is about 405.3475612203.

The spelling of 66601298 in words is "sixty-six million, six hundred one thousand, two hundred ninety-eight".