66351430 has 8 divisors (see below), whose sum is σ = 119432592. Its totient is φ = 26540568.

The previous prime is 66351413. The next prime is 66351431. The reversal of 66351430 is 3415366.

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 (66351431) 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, 3317562 + ... + 3317581.

It is an arithmetic number, because the mean of its divisors is an integer number (14929074).

Almost surely, 2^66351430 is an apocalyptic number.

66351430 is a deficient number, since it is larger than the sum of its proper divisors (53081162).

66351430 is a wasteful number, since it uses less digits than its factorization.

66351430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6635150.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 66351430 is about 8145.6387103775. The cubic root of 66351430 is about 404.8400119997.

Adding to 66351430 its reverse (3415366), we get a palindrome (69766796).

The spelling of 66351430 in words is "sixty-six million, three hundred fifty-one thousand, four hundred thirty".