66350426 has 8 divisors (see below), whose sum is σ = 99740160. Its totient is φ = 33103708.

The previous prime is 66350411. The next prime is 66350477. The reversal of 66350426 is 62405366.

66350426 = 119² + 120² + ... + 585².

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

It is a junction number, because it is equal to n+sod(n) for n = 66350392 and 66350401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34586 + ... + 36453.

It is an arithmetic number, because the mean of its divisors is an integer number (12467520).

Almost surely, 2^66350426 is an apocalyptic number.

66350426 is a deficient number, since it is larger than the sum of its proper divisors (33389734).

66350426 is a wasteful number, since it uses less digits than its factorization.

66350426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71508.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 66350426 is about 8145.5770820734. The cubic root of 66350426 is about 404.8379700371.

The spelling of 66350426 in words is "sixty-six million, three hundred fifty thousand, four hundred twenty-six".