66360434 has 32 divisors (see below), whose sum is σ = 116681472. Its totient is φ = 27720000.

The previous prime is 66360403. The next prime is 66360443. The reversal of 66360434 is 43406366.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 66360434.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100064 + ... + 100724.

It is an arithmetic number, because the mean of its divisors is an integer number (3646296).

Almost surely, 2^66360434 is an apocalyptic number.

66360434 is a deficient number, since it is larger than the sum of its proper divisors (50321038).

66360434 is a wasteful number, since it uses less digits than its factorization.

66360434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842.

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 66360434 is about 8146.1913800254. The cubic root of 66360434 is about 404.8583236603.

The spelling of 66360434 in words is "sixty-six million, three hundred sixty thousand, four hundred thirty-four".