66048398 has 8 divisors (see below), whose sum is σ = 106693608. Its totient is φ = 30483864.

The previous prime is 66048397. The next prime is 66048407. The reversal of 66048398 is 89384066.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66048397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270136 + ... + 1270187.

It is an arithmetic number, because the mean of its divisors is an integer number (13336701).

Almost surely, 2^66048398 is an apocalyptic number.

66048398 is a deficient number, since it is larger than the sum of its proper divisors (40645210).

66048398 is a wasteful number, since it uses less digits than its factorization.

66048398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540338.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 66048398 is about 8127.0165497555. The cubic root of 66048398 is about 404.2227597115. Note that the first 3 decimals are identical.

The spelling of 66048398 in words is "sixty-six million, forty-eight thousand, three hundred ninety-eight".