66846498 has 8 divisors (see below), whose sum is σ = 133693008. Its totient is φ = 22282164.

The previous prime is 66846497. The next prime is 66846511. The reversal of 66846498 is 89464866.

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

66846498 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 66846498.

It is not an unprimeable number, because it can be changed into a prime (66846491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5570536 + ... + 5570547.

It is an arithmetic number, because the mean of its divisors is an integer number (16711626).

Almost surely, 2^66846498 is an apocalyptic number.

66846498 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66846498 is a wasteful number, since it uses less digits than its factorization.

66846498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11141088.

The product of its digits is 1990656, while the sum is 51.

The square root of 66846498 is about 8175.9707680495. The cubic root of 66846498 is about 405.8443958698.

The spelling of 66846498 in words is "sixty-six million, eight hundred forty-six thousand, four hundred ninety-eight".