66796898 has 24 divisors (see below), whose sum is σ = 118163052. Its totient is φ = 28232064.

The previous prime is 66796843. The next prime is 66796957. The reversal of 66796898 is 89869766.

It can be written as a sum of positive squares in 2 ways, for example, as 60481729 + 6315169 = 7777^2 + 2513^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2486 + ... + 11822.

Almost surely, 2^66796898 is an apocalyptic number.

66796898 is a deficient number, since it is larger than the sum of its proper divisors (51366154).

66796898 is a wasteful number, since it uses less digits than its factorization.

66796898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9426 (or 9419 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 59.

The square root of 66796898 is about 8172.9369262218. The cubic root of 66796898 is about 405.7439923908.

The spelling of 66796898 in words is "sixty-six million, seven hundred ninety-six thousand, eight hundred ninety-eight".