66410970 has 16 divisors (see below), whose sum is σ = 159386400. Its totient is φ = 17709584.

The previous prime is 66410933. The next prime is 66410977. The reversal of 66410970 is 7901466.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (66410977) 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 7 ways as a sum of consecutive naturals, for example, 1106820 + ... + 1106879.

It is an arithmetic number, because the mean of its divisors is an integer number (9961650).

Almost surely, 2^66410970 is an apocalyptic number.

66410970 is an abundant number, since it is smaller than the sum of its proper divisors (92975430).

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

66410970 is a wasteful number, since it uses less digits than its factorization.

66410970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213709.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 66410970 is about 8149.2926073372. The cubic root of 66410970 is about 404.9610692651.

The spelling of 66410970 in words is "sixty-six million, four hundred ten thousand, nine hundred seventy".