65966506 has 8 divisors (see below), whose sum is σ = 99118404. Its totient is φ = 32927040.

The previous prime is 65966489. The next prime is 65966519. The reversal of 65966506 is 60566956.

It can be written as a sum of positive squares in 2 ways, for example, as 63059481 + 2907025 = 7941^2 + 1705^2 .

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

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, 26625 + ... + 28996.

Almost surely, 2^65966506 is an apocalyptic number.

65966506 is a deficient number, since it is larger than the sum of its proper divisors (33151898).

65966506 is a wasteful number, since it uses less digits than its factorization.

65966506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56216.

The product of its (nonzero) digits is 291600, while the sum is 43.

The square root of 65966506 is about 8121.9767298362. The cubic root of 65966506 is about 404.0556282254.

The spelling of 65966506 in words is "sixty-five million, nine hundred sixty-six thousand, five hundred six".