66064046 has 8 divisors (see below), whose sum is σ = 101204640.
Its totient is φ = 32329168.
The previous prime is 66064043. The next prime is 66064049. The reversal of 66064046 is 64046066.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (66064043) and next prime (66064049).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66064043) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351311 + ... + 351498.
It is an arithmetic number, because the mean of its divisors is an integer number (12650580).
Almost surely, 266064046 is an apocalyptic number.
66064046 is a deficient number, since it is larger than the sum of its proper divisors (35140594).
66064046 is a wasteful number, since it uses less digits than its factorization.
66064046 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 702858.
The product of its (nonzero) digits is 20736, while the sum is 32.
The square root of 66064046 is about 8127.9792076506.
The cubic root of 66064046 is about 404.2546796292.
The spelling of 66064046 in words is "sixty-six million, sixty-four thousand, forty-six", and thus it is an eban number.