66434366 has 8 divisors (see below), whose sum is σ = 100638504. Its totient is φ = 32888200.

The previous prime is 66434363. The next prime is 66434369. The reversal of 66434366 is 66343466.

It is an interprime number because it is at equal distance from previous prime (66434363) and next prime (66434369).

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 (66434363) 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, 164240 + ... + 164643.

It is an arithmetic number, because the mean of its divisors is an integer number (12579813).

Almost surely, 2^66434366 is an apocalyptic number.

66434366 is a deficient number, since it is larger than the sum of its proper divisors (34204138).

66434366 is a wasteful number, since it uses less digits than its factorization.

66434366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328986.

The product of its digits is 186624, while the sum is 38.

The square root of 66434366 is about 8150.7279429509. The cubic root of 66434366 is about 405.0086184215.

The spelling of 66434366 in words is "sixty-six million, four hundred thirty-four thousand, three hundred sixty-six".